bida[7], bici[7], bita[7],
cab[6], bad[6], dba[6], bid[6], bat[6], tab[6], bit[6], bai[5], tac[5], dat[5], dit[5], tai[4],
ba[4], bi[4], ad[3], da[3], ci[3], id[3], at[3], ta[3], ii[2],
