-al -ol a-a a-c a-t aaa aac aae aal aao aat aau aax ac- aca acc ace acl aco act acu acx aea aec aee ael aeo aet aeu aex al- ala alc ale all alo alt alu alx aoa aoc aoe aol aoo aot aou aox at- ata atc ate atl ato att atu atx au- aua auc aue aul auo aut aux ax- axa axe axl axo axt axx c-- caa cac cae cal cao cat cau cax cca ccc cce ccl cco cct ccu ccx ce- cea cec cee cel ceo cet ceu cex cl- cla clc cle cll clo clt clu clx co- coa coc coe col coo cot cou cox cta ctc cte ctl cto ctt ctu ctx cua cuc cue cul cuo cut cuu cxc cxl cxo cxt cxx eaa eac eae eal eao eat eau eax ec- eca ecc ece ecl eco ect ecu ecx eea eec eee eel eeo eet eex ela elc ele ell elo elt elu elx eo- eoa eoc eoe eol eoo eot eou eta etc ete etl eto ett etu etx eu- eua euc eue eul eut eux ex- exa exc exe exl exo ext exu exx la- laa lac lae lal lao lat lau lax lca lcc lce lcl lco lct lcu lcx lea lec lee lel leo let leu lex lla llc lle lll llo llt llu loa loc loe lol loo lot lou lox lta ltc lte ltl lto ltt ltu ltx lua luc lue lul luo lut luu lux lxc lxo lxx oaa oac oae oal oao oat oau oax oc- oca occ ocl oco oct ocu ocx oea oec oee oel oeo oet oex ola olc ole oll olo olt olu oo- ooa ooc ool ooo oot oox ot- ota otc ote otl oto ott otu ou- oua ouc oue oul ouo out ox- oxa oxc oxo oxt oxx t-x taa tac tae tal tao tat tau tax tca tcc tce tcl tco tct tcu tcx te- tea tec tee tel teo tet teu tex tla tlc tle tll tlo tlt tlu tlx to- toa toc toe tol too tot tou tox tta ttc tte ttl tto ttt ttu ttx tua tuc tue tul tuo tut tuu tux txe txl txt txu ua- uaa uac uae ual uao uat uau uca ucc uce ucl uco uct ucu uea uec uee uel uet ula ulc ule ull ulo ult ulu uoa uoc uoe uol uoo uot uox uta utc ute utl uto utt utu utx uua uuc uue uut uuu uxc uxo uxt uxu xaa xac xal xat xau xcl xcx xee xel xet xeu xex xla xlt xoa xoc xoo xot xox xtc xtx xue xul xxl xxo xxx