bitwo[8], wbito[8],
bibo[8], biot[7], bito[7], bitw[7], twoi[5], wito[5],
bib[7], bob[7], bit[6], hit[6], bot[6], hot[6], boi[5], obi[5], hoi[5], hiw[5], toi[4], iwo[3], owi[3], wio[3],
bi[4], hi[4], bo[4], ho[4], oh[4], ot[3], to[3], iw[2],
