dyby[9], bidy[8], body[8], doby[8], bido[7], dobo[7], oboi[6], ooid[5],
dyb[7], bid[6], bod[6], boy[6], oby[6], boi[5], obi[5], idy[5], ody[5], doi[4], ido[4], odo[4],
by[5], bi[4], bo[4], id[3], do[3], od[3],
