hit[6], hot[6], hai[5], hao[5], hoi[5], oho[5], tai[4], tao[4], toi[4], oto[4], oaz[3], zoo[3], zza[3],
ha[4], hi[4], ho[4], oh[4], at[3], ta[3], ot[3], to[3], za[2], oz[2],
