bumy[10], bomu[9], umbo[9], boyu[9], bomy[8], obym[8], boom[7], obom[7], boye[7],
bum[8], umb[8], obu[7], bym[7], bom[6], mob[6], emu[6], boy[6], oby[6], omy[5], omo[4],
bu[6], mu[5], by[5], be[4], bo[4], my[4], em[3], me[3], om[3], eo[2],
