In[32]:=
  Expand[CD[%,la,lb,lc,ld,le,lf,lg]]

Out[32]=

           p                         p                        p
  -(sigma      sigma      )   sigma      sigma         sigma      sigma
         ;e fg      ;pabcd         ;d fg      ;pabce        ;d eg      ;pabcf
  ------------------------- - ---------------------- - ---------------------- - 
              2                         2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;d ef      ;pabcg        ;c fg      ;pabde        ;c eg      ;pabdf
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;c ef      ;pabdg        ;c dg      ;pabef        ;c df      ;pabeg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;c de      ;pabfg        ;b fg      ;pacde        ;b eg      ;pacdf
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;b ef      ;pacdg        ;b dg      ;pacef        ;b df      ;paceg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;b de      ;pacfg        ;b cg      ;padef        ;b cf      ;padeg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;b ce      ;padfg        ;b cd      ;paefg        ;a fg      ;pbcde
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;a eg      ;pbcdf        ;a ef      ;pbcdg        ;a dg      ;pbcef
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;a df      ;pbceg        ;a de      ;pbcfg        ;a cg      ;pbdef
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;a cf      ;pbdeg        ;a ce      ;pbdfg        ;a cd      ;pbefg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;a bg      ;pcdef        ;a bf      ;pcdeg        ;a be      ;pcdfg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                                   p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;a bd      ;pcefg        ;a bc      ;pdefg        ;pefg      ;a bcd
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pdfg      ;a bce        ;pdeg      ;a bcf        ;pdef      ;a bcg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pcfg      ;a bde        ;pceg      ;a bdf        ;pcef      ;a bdg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pcdg      ;a bef        ;pcdf      ;a beg        ;pcde      ;a bfg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pbfg      ;a cde        ;pbeg      ;a cdf        ;pbef      ;a cdg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pbdg      ;a cef        ;pbdf      ;a ceg        ;pbde      ;a cfg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pbcg      ;a def        ;pbcf      ;a deg        ;pbce      ;a dfg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pbcd      ;a efg        ;pafg      ;b cde        ;paeg      ;b cdf
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;paef      ;b cdg        ;padg      ;b cef        ;padf      ;b ceg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pade      ;b cfg        ;pacg      ;b def        ;pacf      ;b deg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pace      ;b dfg        ;pacd      ;b efg        ;pabg      ;c def
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p                        p                        p
    sigma      sigma         sigma      sigma         sigma      sigma
         ;pabf      ;c deg        ;pabe      ;c dfg        ;pabd      ;c efg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                      p             p                        p
    sigma      sigma         sigma     sigma          sigma     sigma
         ;pabc      ;d efg        ;f g      ;pabcde        ;e g      ;pabcdf
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;e f      ;pabcdg        ;d g      ;pabcef        ;d f      ;pabceg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;d e      ;pabcfg        ;c g      ;pabdef        ;c f      ;pabdeg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;c e      ;pabdfg        ;c d      ;pabefg        ;b g      ;pacdef
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;b f      ;pacdeg        ;b e      ;pacdfg        ;b d      ;pacefg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;b c      ;padefg        ;a g      ;pbcdef        ;a f      ;pbcdeg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;a e      ;pbcdfg        ;a d      ;pbcefg        ;a c      ;pbdefg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                                  p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;a b      ;pcdefg        ;pfg      ;a bcde        ;peg      ;a bcdf
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                     p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;pef      ;a bcdg        ;pdg      ;a bcef        ;pdf      ;a bceg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                     p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;pde      ;a bcfg        ;pcg      ;a bdef        ;pcf      ;a bdeg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                     p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;pce      ;a bdfg        ;pcd      ;a befg        ;pbg      ;a cdef
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                     p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;pbf      ;a cdeg        ;pbe      ;a cdfg        ;pbd      ;a cefg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                     p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;pbc      ;a defg        ;pag      ;b cdef        ;paf      ;b cdeg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                     p                        p                        p
    sigma     sigma          sigma     sigma          sigma     sigma
         ;pae      ;b cdfg        ;pad      ;b cefg        ;pac      ;b defg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                     p              p                        p
    sigma     sigma          sigma    sigma           sigma    sigma
         ;pab      ;c defg        ;g       ;pabcdef        ;f       ;pabcdeg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p                        p
    sigma    sigma           sigma    sigma           sigma    sigma
         ;e       ;pabcdfg        ;d       ;pabcefg        ;c       ;pabdefg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
           p                        p
    sigma    sigma           sigma    sigma
         ;b       ;pacdefg        ;a       ;pbcdefg
    ---------------------- - ---------------------- + sigma         - 
              2                        2                   ;abcdefg
   
                    p                        p                        p
    sigma    sigma           sigma    sigma           sigma    sigma
         ;pg      ;a bcdef        ;pf      ;a bcdeg        ;pe      ;a bcdfg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                    p                        p                        p
    sigma    sigma           sigma    sigma           sigma    sigma
         ;pd      ;a bcefg        ;pc      ;a bdefg        ;pb      ;a cdefg
    ---------------------- - ---------------------- - ---------------------- - 
              2                        2                        2
   
                    p              p                                 p
    sigma    sigma           sigma   sigma            sigma   sigma
         ;pa      ;b cdefg        ;       ;pabcdefg        ;p      ;a bcdefg
    ---------------------- - ---------------------- - ----------------------
              2                        2                        2

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