biot[7], bito[7], ibis[6], bios[6], bosi[6], tost[6], sito[5], stoi[5],
bit[6], bot[6], boi[5], obi[5], bis[5], tit[5], toi[4], sit[4], sto[4], osi[3], sio[3], soi[3],
bi[4], bo[4], ot[3], to[3], ts[3], ii[2], si[2], os[2],
