diod[6], hoss[6], idis[5], diso[5], ossi[4],
hoi[5], his[5], doi[4], ido[4], dis[4], osi[3], sio[3], soi[3], sos[3],
hi[4], ho[4], oh[4], id[3], do[3], od[3], ii[2], si[2], os[2],