-al a-a a-b a-i aaa aab aai aal aam aax ab- aba abb abi abl abm abx ai- aia aib aii ail aim aix al- ala alb ali all alm alx ama amb ami aml amm amx ax- axa axi axl axm axx baa bab bai bal bam bax bba bbb bbi bbl bbm bbx bi- bia bib bii bil bim bix bla blb bli bll blm blx bma bmb bmi bml bmm bmx bxb bxi bxl bxm bxx ia- iaa iab iai ial iam iba ibb ibi ibl ibm ibx iia iib iii iil iim iix il- ila ilb ili ill ilm ilx im- ima imb imi iml imm imx ixi ixl la- laa lab lai lal lam lax lba lbb lbi lbl lbm lbx lia lib lii lil lim lix lla llb lli lll llm lma lmb lmi lml lmm lxi lxx maa mab mai mal mam max mba mbb mbi mbl mbm mbx mi- mia mib mii mil mim mix mla mlb mli mll mlm mlx mma mmb mmi mml mmm mmx mxa mxi mxl xaa xal xam xbl xbx xia xii xix xla xlb xli xlm xma xmi xml xmm xmx xxi xxl xxx