baco[7], coba[7], obca[7], ambo[7], obco[7], boom[7], obom[7], maco[6],
cab[6], amb[6], bam[6], cob[6], bom[6], mob[6], mac[5], abo[5], boa[5], oba[5], com[5], moc[5], moa[4], oma[4], omo[4],
ba[4], bo[4], ma[3], co[3], om[3],