byciu[11], obuci[10], obyci[9],
bucu[11], boyu[9], uboi[8], coby[8], obcy[8],
buu[9], buc[8], obu[7], cob[6], boy[6], oby[6], boi[5], obi[5], cyi[5],
bu[6], uu[6], by[5], bi[4], bo[4], ci[3], co[3],
