bodu[9], budo[9], dudo[8], uboi[8], bido[7], udoi[7], diod[6],
bud[8], dud[7], obu[7], bid[6], bod[6], idu[6], duo[6], udo[6], boi[5], obi[5], doi[4], ido[4],
bu[6], ud[5], bi[4], bo[4], id[3], do[3], od[3], ii[2],
