bella[9],
abba[8], baba[8], bell[8], alba[7], bala[7], laba[7], bale[7], bela[7], labe[7], alla[6], lala[6], lale[6],
bab[7], alb[6], bal[6], lab[6], bel[6], ble[6], lal[5], ala[4], ale[4],
ba[4], be[4], al[3], la[3], el[3], aa[2],
