bomu[9], umbo[9], cumo[8], obco[7], boom[7], obom[7],
buc[8], bum[8], umb[8], cum[7], muc[7], obu[7], cob[6], bom[6], mob[6], com[5], moc[5], omo[4],
bu[6], mu[5], bo[4], co[3], om[3],