buca[9], banu[8], buna[8], nuba[8], bonu[8], buno[8], baco[7], coba[7], obca[7], obco[7], onuc[7], bano[6], baon[6], bona[6], bono[6], obon[6],
buc[8], bun[7], obu[7], cab[6], cob[6], ban[5], abo[5], boa[5], oba[5], bon[5], cna[4], noc[4], ano[3], ona[3], ono[3],
bu[6], ba[4], bo[4], au[4], nu[4], co[3], na[2], no[2], on[2],
