istot[7],
tost[6], sito[5], stoi[5], stos[5], ossi[4],
tit[5], toi[4], sit[4], sto[4], tss[4], osi[3], sio[3], soi[3], sos[3],
ot[3], to[3], ts[3], ii[2], si[2], os[2],
