a-be a-ha a-wa aaaa aaab aaac aaae aaah aaba aabb aabc aabh aabt aabw aaca aacb aacc aace aach aact aaea aaec aaha aata aatc aatt aatw aawt aaww abaa abab abac abae abat abaw abb- abba abbb abbe abbt abca abcb abcc abch abct abcw abec abee abet abha abta abwa abwe abwh ac-t acaa acab acac acae acat acba acca accc acce acch acct ace- acea acec aceh acet acha ache achh acht acta actc acte acth actt acwa acww aeac aecb aect aeta aetc aett ahab ahac ahah ahat ahet ahha ahta ahte ahwa at-t ataa atab atac atae atat atca atcc atch atea atec atee atew atha athe atta atte atwa atwt awac awae awbe awe- aweb awee awet awwa baaa baah baat baba babb babe bac- baca bacc bace bach bact baha baht bata batc bate bath batt baw- bawe bbbb bbch bbeb bbet bbwc bcaa bcat bcbc bcca bccc bcec bcet bche bctc beah beat beaw beba bebb bebe beca bech beeb beet beta betc bete beth bett betw bewa bewe bewh bhat bhca bhcc bhet btaa btcc btec bttb btwc bwaa caaa caab caac caah caat caba cabe cac- caca cacc cace cach cacw caec caha cahe caht cat- cata catb catc cate cath catt catw cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbha cbta cbtc cbwa ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccee ccha cche cctb cctc cctt ceac ceat ceba cec- ceca cece cect ceeb ceec cet- ceta cete cewa cewe chaa chab chac chae chah chat chaw chca chce chch chea cheb chec chee cheh chet chew chha chtt ctab ctae ctba ctca ctec ctta cttw cwac cweb eaba eabh eaca eacc each eaec eata eate eath ebac ebba ebbc ebbw ebcc ecaa ecac ecat ecbc ecbe ecca eccb eccc ecce ecct echa eche echt ect- ecta ectc ecth ecwa eeca eeea eeee eeta eetc eete eeth eewh ehaa ehcc ehea eheh ehte ehwa etah etat etbc etcc etch etec etee eth- etha ethe etta ette ewah ewew ewte haab haat haba habe habt hace haec haet haha haht hata hatb hate hath hatt hawa hawc hawe hawt hcat hcaw hcbc hcca hccb hccc hcch heah heat heaw hebb hebe heca hech hect hecw heeb heet hehe heta hete heth hett hewe hewt hhaa hhat hhhh htab htcc htea htet taa- taat taba tabb tabc tabe taca tacc tace tach tact taec taha tahe tata tatb tate tath tatt tawa tawe tawt taww tbca tbcb tbcc tbce tbta tcca tccc tch- tcha tche tchh tctc teac teat teaw teba teca tech tect teec teet teta tete teth tett tewa thaa thae that thaw thca thch the- thea theb thec thee thet thew thtb thwa ttab ttbb tttt twae twat twbt twch twee waaa waac waah waat waaw waba wabb wabc wabe wabh wabt wabw waca wacb wacc wace wach wact waeb waec waee waet waew waha wahb wahe waht wata watb watc wate wath watt watw wawa wawb wawc wawe wawt wbaa wbab wbac wbae wbat wbbb wbbe wbbt wbbw wbca wbcb wbce wbch wbct wbcw wbea wbeb wbec wbet wbew wbha wbhb wbhc wbhh wbht wbhw wbta wbtc wbte wbth wbtt wbtw wbwb wbwc wbwt wcab wcae wcat wcba wcbc wcbe wcbh wcbt wcbw wcca wccb wccc wcce wcch wcct wccw wceb wcec wcee wceh wcet wcha wchb wchc wche wcht wcta wctb wctc wcte wcth wctt wctw wcwa wcwb wcwc weaa weac weah weat webb webc webe webt weca wecb wecc wech wect wecw weeb weec weet weha wehc wehh weht weta wetb wetc wete weth wett wewc wewe whaa whab whac whae what whaw whbb whbc whbe whbt whca whcb whcc whce whct whea wheb whec whee whet whew whhb whhh whht whhw whta whtb whtc whth whtt whwa whwb whwc whwh wtab wtac wtae wtaw wtbb wtbc wtbh wtca wtcb wtcc wtch wtct wtcw wthb wthe wtht wtta wttb wttc wtte wtth wttt wttw wtwa wtwb wtwt wtww wwab wwac wwba wwbb wwbc wwbt wwca wwcb wwch wwct wwcw wwea wweb wwec wwet wwhb wwht wwta wwtc wwth wwtw wwwa wwwc wwwe wwwh wwww