sity[6], osty[6], stoy[6], syto[6], sito[5], stoi[5], stoo[5],
syt[5], toi[4], oto[4], sit[4], sto[4], osy[4], osi[3], sio[3], soi[3], oso[3],
ty[4], ot[3], to[3], ts[3], si[2], os[2],
