bido[7], biot[7], bito[7], bitw[7], diod[6], diwo[5], doiw[5], dwoi[5], twoi[5], wito[5],
bid[6], bod[6], bit[6], bot[6], boi[5], obi[5], dit[5], doi[4], ido[4], toi[4], diw[4], wid[4], iwo[3], owi[3], wio[3],
bi[4], bo[4], id[3], do[3], od[3], ot[3], to[3], iw[2],
