bysiu[10], sibui[9], ibisy[8], idisy[7],
budy[10], duby[10], busy[9], bisu[8], bidy[8], dusi[7], bisy[7], ibis[6], disy[6], idis[5],
bud[8], bus[7], dyb[7], bid[6], idu[6], bis[5], siu[5], idy[5], dis[4],
bu[6], ud[5], by[5], bi[4], su[4], id[3], ii[2], si[2],
