name    number    ID           code
1111      2        3    ['%AB','$12','&FD']

name    number    ID    to    from
1111      2        3    %AB    $12
1111      2        3    %AB    &FD
1111      2        3    $12    &FD

a = [y for x in df[['code']].stack() for y in combinations(x,2)]
df[['to','from']] = a