a-a a-c a-t aaa aac aae aao aat aau aax ac- aca acc ace aco act acu acx aea aec aee aeo aet aeu aex aoa aoc aoe aoo aot aou aox at- ata atc ate ato att atu atx au- aua auc aue auo aut aux ax- axa axe axo axt axx c-- caa cac cae cao cat cau cax cca ccc cce cco cct ccu ccx ce- cea cec cee ceo cet ceu cex co- coa coc coe coo cot cou cox cta ctc cte cto ctt ctu ctx cua cuc cue cuo cut cuu cxc cxo cxt cxx eaa eac eae eao eat eau eax ec- eca ecc ece eco ect ecu ecx eea eec eee eeo eet eex eo- eoa eoc eoe eoo eot eou eta etc ete eto ett etu etx eu- eua euc eue eut eux ex- exa exc exe exo ext exu exx oaa oac oae oao oat oau oax oc- oca occ oco oct ocu ocx oea oec oee oeo oet oex oo- ooa ooc ooo oot oox ot- ota otc ote oto ott otu ou- oua ouc oue ouo out ox- oxa oxc oxo oxt oxx t-x taa tac tae tao tat tau tax tca tcc tce tco tct tcu tcx te- tea tec tee teo tet teu tex to- toa toc toe too tot tou tox tta ttc tte tto ttt ttu ttx tua tuc tue tuo tut tuu tux txe txt txu ua- uaa uac uae uao uat uau uca ucc uce uco uct ucu uea uec uee uet uoa uoc uoe uoo uot uox uta utc ute uto utt utu utx uua uuc uue uut uuu uxc uxo uxt uxu xaa xac xat xau xcx xee xet xeu xex xoa xoc xoo xot xox xtc xtx xue xxo xxx