bycia[9], diacy[8],
bacy[8], caby[8], bady[8], bidy[8], bida[7],
dyb[7], cab[6], bad[6], dba[6], bid[6], aby[6], bai[5], cyi[5], idy[5],
by[5], ba[4], bi[4], ad[3], da[3], ci[3], id[3],
