bido[7], diwo[5], doiw[5], dwoi[5],
bid[6], bod[6], boi[5], obi[5], doi[4], ido[4], diw[4], wid[4], wii[3], iwo[3], owi[3], wio[3],
bi[4], bo[4], id[3], do[3], od[3], ii[2], iw[2],
