melb[8], alba[7], bala[7], laba[7], bale[7], bela[7], labe[7], bele[7], amba[7], ameb[7], lama[6], mela[6], mele[6],
alb[6], bal[6], lab[6], bel[6], ble[6], amb[6], bam[6], bee[5], lam[5], mel[5], ala[4], ale[4], lee[4], maa[4], mee[4],
ba[4], be[4], al[3], la[3], el[3], ma[3], em[3], me[3], aa[2], ee[2],
