byciu[11], bycia[9], abaci[8],
buca[9], bacy[8], caby[8], baca[7], caba[7],
buc[8], cab[6], aby[6], bai[5], aua[5], cyi[5],
bu[6], by[5], ba[4], bi[4], au[4], ci[3], aa[2],
