balla[9], labil[9],
abba[8], baba[8], ball[8], bill[8], laib[7], lala[6], lila[6],
alb[6], lab[6], aba[5], abi[5], bai[5], all[5], aal[4],
ab[4], bi[4], la[3], aa[2], ai[2],