buby[11], bobu[10], bogu[10], puby[10], boby[9], boyu[9], pucy[9], puco[8], coby[8], obcy[8], cygo[8], copy[7],
bub[9], bug[9], gub[9], buc[8], cug[8], pub[8], bob[7], obu[7], cup[7], puc[7], cyg[7], cob[6], opu[6], boy[6], oby[6], opy[5],
bu[6], gu[6], by[5], bo[4], go[4], co[3], op[3], po[3],
