nabab[9], babon[9],
abba[8], baba[8], abbo[8], babo[8], boba[8], obab[8], baca[7], caba[7], baco[7], coba[7], obca[7], bana[6], bano[6], baon[6], bona[6], acan[5], anoa[4],
bab[7], bob[7], 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],
