toto[6], twoi[5], wito[5], witz[5], ozoi[4], wizo[4], wozi[4],
tit[5], toi[4], oto[4], wii[3], iwo[3], owi[3], wio[3], owo[3], zoo[3], wiz[3],
ot[3], to[3], ii[2], iw[2], oz[2],