-al -ol a-a a-b a-i a-t aaa aab aai aal aam aao aat aax ab- aba abb abi abl abm abo abt abx ai- aia aib aii ail aim aio ait aix al- ala alb ali all alm alo alt alx ama amb ami aml amm amo amt amx aoa aob aoi aol aom aoo aot aox at- ata atb ati atl atm ato att atx ax- axa axi axl axm axo axt axx baa bab bai bal bam bao bat bax bba bbb bbi bbl bbm bbo bbt bbx bi- bia bib bii bil bim bio bit bix bla blb bli bll blm blo blt blx bma bmb bmi bml bmm bmo bmt bmx boa bob boi bol bom boo bot box bta btb bti btl btm bto btt btx bxb bxi bxl bxm bxo bxx ia- iaa iab iai ial iam iao iat iba ibb ibi ibl ibm ibo ibt ibx iia iib iii iil iim iio iit iix il- ila ilb ili ill ilm ilo ilt ilx im- ima imb imi iml imm imo imt imx io- ioa iob ioi iol iom ioo iot ita itb iti itl itm ito itt itx ixi ixl la- laa lab lai lal lam lao lat lax lba lbb lbi lbl lbm lbo lbt lbx lia lib lii lil lim lio lit lix lla llb lli lll llm llo llt lma lmb lmi lml lmm lmo lmt loa lob loi lol lom loo lot lox lta ltb lti ltl ltm lto ltt ltx lxi lxo lxx m-o maa mab mai mal mam mao mat max mba mbb mbi mbl mbm mbo mbt mbx mi- mia mib mii mil mim mio mit mix mla mlb mli mll mlm mlo mlt mlx mma mmb mmi mml mmm mmo mmt mmx moa mob moi mol mom moo mot mox mta mtb mti mtl mtm mto mtt mtx mxa mxi mxl o-i oaa oab oai oal oam oao oat oax ob- oba obb obi obl obm obo obt obx oia oib oii oil oim oio oit ola olb oli oll olm olo olt om- oma omb omi oml omm omo omt omx oo- ooa oob ooi ool oom ooo oot oox ot- ota otb oti otl otm oto ott ox- oxa oxb oxi oxo oxt oxx t-x taa tab tai tal tam tao tat tax tba tbb tbi tbl tbm tbo tbt tia tib tii til tim tio tit tix tla tli tll tlm tlo tlt tlx tma tmb tmi tml tmm tmo tmt tmx to- toa tob toi tol tom too tot tox tta ttb tti ttl ttm tto ttt ttx txi txl txt xaa xal xam xat xbl xbx xia xii xio xit xix xla xlb xli xlm xlt xma xmi xml xmm xmo xmt xmx xoa xoi xom xoo xot xox xti xtm xtx xxi xxl xxo xxx