-al a-a a-b aaa aab aal aam aax ab- aba abb abl abm abx al- ala alb all alm alx ama amb aml amm amx ax- axa axl axm axx baa bab bal bam bax bba bbb bbl bbm bbx bla blb bll blm blx bma bmb bml bmm bmx bxb bxl bxm bxx la- laa lab lal lam lax lba lbb lbl lbm lbx lla llb lll llm lma lmb lml lmm lxx maa mab mal mam max mba mbb mbl mbm mbx mla mlb mll mlm mlx mma mmb mml mmm mmx mxa mxl xaa xal xam xbl xbx xla xlb xlm xma xml xmm xmx xxl xxx