taca[6], taco[6], ciot[6], cito[6], tico[6], tata[6], tato[6], ciao[5],
tac[5], tit[5], ata[4], tai[4], tao[4], toi[4],
ci[3], co[3], at[3], ta[3], ot[3], to[3], aa[2],
