abat[7], bata[7], beat[7], beta[7], bita[7], bite[7],
bat[6], tab[6], bet[6], bit[6], bee[5], bai[5], ata[4], ate[4], eta[4], tai[4], aaa[3],
ba[4], be[4], bi[4], at[3], ta[3], et[3], te[3], aa[2], ee[2],
