-al -ol a-a a-b a-i aaa aab aai aal aam aao aax ab- aba abb abi abl abm abo abx ai- aia aib aii ail aim aio aix al- ala alb ali all alm alo alx ama amb ami aml amm amo amx aoa aob aoi aol aom aoo aox ax- axa axi axl axm axo axx baa bab bai bal bam bao bax bba bbb bbi bbl bbm bbo bbx bi- bia bib bii bil bim bio bix bla blb bli bll blm blo blx bma bmb bmi bml bmm bmo bmx boa bob boi bol bom boo box bxb bxi bxl bxm bxo bxx ia- iaa iab iai ial iam iao iba ibb ibi ibl ibm ibo ibx iia iib iii iil iim iio iix il- ila ilb ili ill ilm ilo ilx im- ima imb imi iml imm imo imx io- ioa iob ioi iol iom ioo ixi ixl la- laa lab lai lal lam lao lax lba lbb lbi lbl lbm lbo lbx lia lib lii lil lim lio lix lla llb lli lll llm llo lma lmb lmi lml lmm lmo loa lob loi lol lom loo lox lxi lxo lxx m-o maa mab mai mal mam mao max mba mbb mbi mbl mbm mbo mbx mi- mia mib mii mil mim mio mix mla mlb mli mll mlm mlo mlx mma mmb mmi mml mmm mmo mmx moa mob moi mol mom moo mox mxa mxi mxl o-i oaa oab oai oal oam oao oax ob- oba obb obi obl obm obo obx oia oib oii oil oim oio ola olb oli oll olm olo om- oma omb omi oml omm omo omx oo- ooa oob ooi ool oom ooo oox ox- oxa oxb oxi oxo oxx xaa xal xam xbl xbx xia xii xio xix xla xlb xli xlm xma xmi xml xmm xmo xmx xoa xoi xom xoo xox xxi xxl xxo xxx