baca[7], caba[7], bici[7], abat[7], bata[7], bita[7], taca[6],
cab[6], bat[6], tab[6], bit[6], bai[5], tac[5], ata[4], tai[4],
ba[4], bi[4], ci[3], at[3], ta[3], aa[2], ii[2],
