ambom[9], mambo[9], bomom[9], oboma[8],
mamb[8], ambo[7], boom[7], obom[7], mamo[6], omam[6], omom[6],
amb[6], bam[6], bom[6], mob[6], mam[5], abo[5], boa[5], oba[5], moa[4], oma[4], omo[4],
ba[4], bo[4], ma[3], om[3],
