baca[7], caba[7], baco[7], coba[7], obca[7], caca[6], bana[6], canc[6], bano[6], baon[6], bona[6], acan[5], anoa[4],
cab[6], cob[6], ban[5], abo[5], boa[5], oba[5], bon[5], cna[4], noc[4], ana[3], ano[3], ona[3],
ba[4], bo[4], co[3], aa[2], na[2], no[2], on[2],
