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a-be a-ii a-wa aaaa aaab aaac aaae aaai aaba aabb aabc aabi aabt aabw aaca aacb aacc aace aaci aaco aact aaea aaec aaib aaic aaii aaoe aaoo aaow aata aatc aatt aatw aawt aaww abaa abab abac abae abai abat abaw abb- abba abbb abbe abbi abbo abbt abca abcb abcc abci abct abcw abec abee abet abia abib abic abie abit aboa abob aboo abot abow abta abwa abwe ac-t acaa acab acac acae acai acat acba acca accc acce acci acco acct ace- acea acec acet aci- acia acic acie acoa acoe acot acow acta actc acte acti acto actt acwa acww aeac aebi aecb aeci aect aeio aeit aeta aetc aeto aett aiai aiba aibo aica aicc aice aicw aiea aiee aiet aiia aiib aiic aioc aioi aita aite aiti aitt aiwa aiwo aoba aoca aoce aotc at-t ataa atab atac atae atai atat atca atcc atco atea atec atee atei ateo atew atia atic atie atit atob atoc atoe atoi atot atta atte atti atto atwa atwi atwo atwt awac awae awbe awe- aweb awee awei awet awie awit awoo awow awwa ba-i baaa baat baba babb babe babi babo bac- baca bacc bace baci baco bact baia baib baic baie baio bait bata batc bate bati bato batt baw- bawe bawi bbbb bbci bbeb bbet bbwc bcaa bcat bcbc bcca bccc bcci bcec bcet bcia bcie bcit bctc beat beaw beba bebb bebe bebi bebo beca beci beeb beet beia beic beit beo- beot beta betc bete beti beto bett betw bewa bewe biao biat biba bibb bibe bibi bibo bica bicc bice bici bico bieb biet bio- bioc bioi biot bita bitc bite bito bitt biw- biwa boab boac boai boat boba bobb bobe bobi bobo bobw boca boce boco boea boec boee boeo boet boi- boie boii boit boob booc booe boot boow bota botb bote boti boto bott botw bowa bowe bowi bowt btaa btcc btec btie btob bttb btwc btwo bwaa bwoc c-bo caaa caab caac caat caba cabe cabi cabo cac- caca cacc cace caci caco cacw caec caei caia caib caic caio cait caoi cat- cata catb catc cate cati cato catt catw cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbia cbit cbot cbta cbtc cbwa ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci ccee ccic ccii cciw ccob ccoc ccow cctb cctc cctt ceac ceat ceba cec- ceca cece ceci ceco cect ceeb ceec cet- ceta cete ceti ceto cewa cewe ciaa ciao ciat ciba cibc cibe cibi cibo cica cicc cici cico cict ciee ciia ciii ciit ciob cita citb cite citi cito citt ciwa ciww coai coat coba cobb cobe cobi cobo coca coce coco coct coia coit coob coot cota cotb cotc cote coti coto cott cotw cowe cowt ctab ctae ctba ctbi ctca ctec