a-a a-c a-t aaa aac aae aam aao aat aau aax ac- aca acc ace acm aco act acu acx aea aec aee aem aeo aet aeu aex ama amc ame amm amo amt amu amx aoa aoc aoe aom aoo aot aou aox at- ata atc ate atm ato att atu atx au- aua auc aue aum auo aut aux ax- axa axe axm axo axt axx c-- caa cac cae cam cao cat cau cax cca ccc cce ccm cco cct ccu ccx ce- cea cec cee cem ceo cet ceu cex cma cmc cme cmm cmo cmt cmu cmx co- coa coc coe com coo cot cou cox cta ctc cte ctm cto ctt ctu ctx cua cuc cue cum cuo cut cuu cxc cxo cxt cxx eaa eac eae eam eao eat eau eax ec- eca ecc ece ecm eco ect ecu ecx eea eec eee eem eeo eet eex em- ema emc eme emm emo emt emu emx eo- eoa eoc eoe eom eoo eot eou eta etc ete etm eto ett etu etx eu- eua euc eue eut eux ex- exa exc exe exo ext exu exx m-o maa mac mae mam mao mat mau max mc- mca mcc mce mcm mco mct mcu mcx mea mec mee mem meo met meu mex mma mmc mme mmm mmo mmt mmu mmx moa moc moe mom moo mot mou mox mta mtc mte mtm mto mtt mtu mtx mua muc mue mum mut muu mux mxa mxc mxu oaa oac oae oam oao oat oau oax oc- oca occ ocm oco oct ocu ocx oea oec oee oem oeo oet oex om- oma omc ome omm omo omt omu omx oo- ooa ooc oom ooo oot oox ot- ota otc ote otm oto ott otu ou- oua ouc oue oum ouo out ox- oxa oxc oxo oxt oxx t-x taa tac tae tam tao tat tau tax tca tcc tce tcm tco tct tcu tcx te- tea tec tee tem teo tet teu tex tma tmc tme tmm tmo tmt tmu tmx to- toa toc toe tom too tot tou tox tta ttc tte ttm tto ttt ttu ttx tua tuc tue tum tuo tut tuu tux txe txt txu ua- uaa uac uae uam uao uat uau uca ucc uce ucm uco uct ucu uea uec uee uem uet um- uma umc ume umm umo umt umu uoa uoc uoe uom uoo uot uox uta utc ute utm uto utt utu utx uua uuc uue uum uut uuu uxc uxo uxt uxu xaa xac xam xat xau xcx xee xem xet xeu xex xma xmc xmm xmo xmt xmu xmx xoa xoc xom xoo xot xox xtc xtm xtx xue xxo xxx