coda[6], acan[5], dana[5], nada[5], anod[5], dano[5], dona[5], anoa[4],
cod[5], doc[5], cna[4], dan[4], dna[4], nad[4], dao[4], oda[4], noc[4], dno[4], don[4], aaa[3], ana[3], ano[3], ona[3],
ad[3], da[3], co[3], do[3], od[3], aa[2], na[2], no[2], on[2],
