a-a a-b a-c a-t aaa aab aac aae aao aat aax ab- aba abb abc abe abo abt abx ac- aca acb acc ace aco act acx aea aeb aec aee aeo aet aex aoa aob aoc aoe aoo aot aox at- ata atb atc ate ato att atx ax- axa axe axo axt axx baa bab bac bae bao bat bax bba bbb bbc bbe bbo bbt bbx bca bcb bcc bce bco bct bcx be- bea beb bec bee beo bet bex boa bob boc boe boo bot box bta btb btc bte bto btt btx bxb bxo bxx c-- caa cab cac cae cao cat cax cba cbb cbc cbe cbo cbt cbx cca ccb ccc cce cco cct ccx ce- cea ceb cec cee ceo cet cex co- coa cob coc coe coo cot cox cta ctb ctc cte cto ctt ctx cxc cxo cxt cxx eaa eab eac eae eao eat eax eba ebb ebc ebe ebo ebt ebx ec- eca ecb ecc ece eco ect ecx eea eeb eec eee eeo eet eex eo- eoa eob eoc eoe eoo eot eta etb etc ete eto ett etx ex- exa exc exe exo ext exx oaa oab oac oae oao oat oax ob- oba obb obc obe obo obt obx oc- oca ocb occ oco oct ocx oea oeb oec oee oeo oet oex oo- ooa oob ooc ooo oot oox ot- ota otb otc ote oto ott ox- oxa oxb oxc oxo oxt oxx t-x taa tab tac tae tao tat tax tba tbb tbc tbe tbo tbt tca tcb tcc tce tco tct tcx te- tea teb tec tee teo tet tex to- toa tob toc toe too tot tox tta ttb ttc tte tto ttt ttx txe txt xaa xac xat xbc xbe xbx xcb xcx xee xet xex xoa xoc xoo xot xox xtc xtx xxo xxx

a-be aaaa aaab aaac aaae aaba aabb aabc aabt aaca aacb aacc aace aaco aact aaea aaec aaoe aaoo aata aatc aatt abaa abab abac abae abat abax abb- abba abbb abbe abbo abbt abca abcb abcc abct abec abee abet aboa abob aboo abot abox abta ac-t acaa acab acac acae acat acba acca accc acce acco acct ace- acea acec acet acoa acoe acot acta actc acte acto actt aeac aecb aect aeta aetc aeto aett aetx aoba aoca aoce aotc at-t at-x ataa atab atac atae atat atax atca atcc atco atea atec atee ateo atex atob atoc atoe atot atta atte atto axat axce axo- axoa axto axxo ba-x baaa baat baba babb babe babo bac- baca bacc bace baco bact bata batc bate bato batt baxt bbbb bbeb bbet bbox bcaa bcat bcbc bcca bccc bcec bcet bctc beat beba bebb bebe bebo beca beeb beet beo- beot beta betc bete beto bett boab boac boat boba bobb bobe bobo boca boce boco boea boec boee boeo boet boob booc booe boot boox bota botb bote boto bott boxa btaa btcc btcx btec btex btob bttb c-bo caaa caab caac caat caba cabe cabo cac- caca cacc cace caco caec caex cat- cata catb catc cate cato catt caxa cbac cbat cbax cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbot cbox cbta cbtc cbxa ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccee ccob ccoc cctb cctc cctt ceac ceat ceba cec- ceca cece ceco cect ceeb ceec cet- ceta cete ceto cexe coat coax coba cobb cobe cobo coca coce coco coct coex coob coot cota cotb cotc cote coto cott coxa coxe ctab ctae ctba ctca ctec ctot ctta cxxx eaba eaca eacc eaec eata eate ebac ebba ebbc ebbo ebcc eboe eboo ebox ecaa ecac ecao ecat ecbc ecbe ecca eccb eccc ecce ecco ecct eco- ecot ect- ecta ectc ecto eeca eeea eeee eeoc eeta eetc eete eext eota eotc eoto etat etbc etcc etco etec etee etoe etox etta ette etto exa- exco exec exo- exta exte o-eo oate obba obbo obea obec obet obex oboe obot obox ocab ocac ocat ocbc occa occc occt oce ocee ocet oct- octa octe octo oeax oec- oeca oecc oeec oeta ooaa ooba oobe oooo ootb otac otea otee oto- otoe otoo otta otte otto oxa- oxea oxo- oxox oxxo taa- taat taba tabb tabc tabe tabo taca tacc tace taco tact taec taoa tata tatb tate tato tatt tax- taxa taxe taxo taxt tbca tbcb tbcc tbce tbox tbta tcca tccc tctc teac teat teba tebo teca teco tect teec teet teta tete teto tett tetx texa text toab toat toba tobe tobo tobt toca toce toco toea toee toet tooa toot tota totc tote toto tott tox- toxa toxo toxt ttab ttbb tteo ttoe tttt txaa xace xact xate xbee xbox xcat xexe xobc xoca xoco xote xoxo xtea xxxo xxxx

-aaa- -oate a-box aaace aaaee aaaoc aaata aabaa aabba aacbc aacte aatxe abaab ababa ababe abaca abaco abate abbac abbat abbet abbot abccc abeat abeba abebe abece abeet aboab aboat abobo aboot abote abott abtaa abtao acaca acacb acate aceae acebo acet- aceta aceto acoat acoot actto aeaea aebbe aetat aeto- aotea ataco ataxx atbat ateat ateca atete ateto atoot atoto attea attex atto- axact axeto baabe baata baate babax babec babee baboo babot bacab bacao bacax bacca bacco bacea bacot bacta batab batac batat batco batea batob batoe batoo batta batte batto bbbee bccat beaco beata beate beato bebat bebot bebox becca becco becta beeac beebe beete beote betax betee betoo bett- betta bette betto bexta bo-bo boaco boate bobac bobea bobet boboc bocac bocao bocat bocca bocce bocet bocoa boece booat booba booce booco boota bootx botet botox botta botte boxbe boxee btc-e c-a-c c-tec ca-ca caaba cabet cabob caboc cabot cacao caco- cacoa caec- caeca caoba cata- catax catco cato- catta catto caxee ccccc ccett ceace cebec ceco- ceeac ceoce cetac cetea ceto- cette co-bo co-co coact coatc coate cobbe cobot cocao cocc- cocce cocco cocea coceo cocoa