idiso[6], ostoi[6],
ooid[5], idis[5], diso[5], sodo[5], sito[5], stoi[5], stoo[5],
dit[5], doi[4], ido[4], odo[4], dis[4], toi[4], oto[4], sit[4], sto[4], osi[3], sio[3], soi[3], oso[3],
id[3], do[3], od[3], ot[3], to[3], ts[3], ii[2], si[2], os[2],
