buca[9], banu[8], buna[8], nuba[8], baca[7], caba[7], bana[6], acan[5],
buc[8], bun[7], cab[6], ban[5], aua[5], cna[4], ana[3],
bu[6], ba[4], au[4], nu[4], aa[2], na[2],
