bioto[8], obito[8], bitwo[8], wbito[8], owito[6],
bibo[8], bobo[8], biot[7], bito[7], boot[7], bitw[7], oboi[6], twoi[5], wito[5],
bib[7], bob[7], bit[6], bot[6], boi[5], obi[5], toi[4], oto[4], iwo[3], owi[3], wio[3], owo[3],
bi[4], bo[4], ot[3], to[3], iw[2],
