a-be a-ha aaaa aaab aaac aaae aaah aaba aabb aabc aabh aabt aaca aacb aacc aace aach aaco aact aaea aaec aaha aaoe aaoo aata aatc aatt abaa abab abac abae abat abb- abba abbb abbe abbo abbt abca abcb abcc abch abct abec abee abet abha abho aboa abob aboh aboo abot abta ac-t acaa acab acac acae acat acba acca accc acce acch acco acct ace- acea acec aceh acet acha ache achh acho acht acoa acoe acoh acot acta actc acte acth acto actt aeac aecb aect aeta aetc aeto aett ahab ahac ahah ahat ahet ahha ahoa ahoe ahot ahta ahte ahto aoah aoba aoca aoce aotc at-t ataa atab atac atae atat atca atcc atch atco atea atec atee ateo atha athe atho atob atoc atoe atot atta atte atto baaa baah baat baba babb babe babo bac- baca bacc bace bach baco bact baha baho baht baoh bata batc bate bath bato batt bbbb bbch bbeb bbet bcaa bcat bcbc bcca bccc bcec bcet bche bctc beah beat beba bebb bebe bebo beca bech beeb beet beo- beot beta betc bete beth beto bett bhao bhat bhca bhcc bhet bhot boab boac boat boba bobb bobe bobo boca boce boch boco boea boec boee boeo boet boha boho boht boob booc booe booh boot bota botb bote both boto bott btaa btcc btec btob bttb c-bo caaa caab caac caah caat caba cabe cabo cac- caca cacc cace cach caco caec caha cahe caht cat- cata catb catc cate cath cato catt cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbha cbot cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc ccee ccha cche ccob ccoc cctb cctc cctt ceac ceat ceba cec- ceca cece ceco cect ceeb ceec cet- ceta cete ceto chaa chab chac chae chah chao chat chca chce chch chea cheb chec chee cheh chet chha choc choh choo chto chtt coat coba cobb cobe cobh cobo coca coce coch coco coct coha coho coob cooh coot cota cotb cotc cote coth coto cott ctab ctae ctba ctca ctec ctot ctta eaba eabh eaca eacc each eaec eata eate eath ebac ebba ebbc ebbo ebcc eboe eboo ecaa ecac ecao ecat ecbc ecbe ecca eccb eccc ecce ecco ecct echa eche echo echt eco- ecot ect- ecta ectc ecth ecto eeca eeea eeee eeoc eeta eetc eete eeth ehaa ehcc ehea eheh ehte eota eotc eoto etah etat etbc etcc etch etco etec etee eth- etha ethe etho etoe etoh etta ette etto haab haat haba habe habo habt hace haco haec haet haha haho haht hata hatb hate hath hato hatt hboc hcat hcbc hcca hccb hccc hcch heah heat hebb hebe hebo heca hech hect heeb heet hehe heho heta hete heth heto hett hhaa hhat hhhh hoac hoat hoba hobe hobo hoca hoce hoch hoha hohe hoho hooe hoot hota hotb hote hoth hoto hott htab htcc htea htet htoh o-eo oahe oate oath obba obbo obea obec obet oboe obot ocab ocac ocat ocbc occa occc occt oce ocee ocet ocha oche ocht oct- octa octe octo oec- oeca oecc oeec oeta ohba ohbe ohcc ohee ohho ohob ohoh ohta ohte ohto ooaa ooba oobe ooha ooho oooh oooo ootb otac otea otee otha othe otho oto- otoe otoh otoo otta otte otto taa- taat taba tabb tabc tabe tabo taca tacc tace tach taco tact taec taha tahe taho taoa tata tatb tate tath tato tatt tbca tbcb tbcc tbce tbta tcca tccc tch- tcha tche tchh tcho tctc teac teat teba tebo teca tech teco tect teec teet teho teoh teta tete teth teto tett thaa thae thao that thca thch the- thea theb thec thee theo thet thoe thoo thot thtb toab toat toba tobe tobo tobt toca toce toch toco toea toee toeh toet toho tooa tooh toot tota totc tote toth toto tott ttab ttbb tteo ttoe tttt