a-ha aaaa aaac aaae aaah aaca aacc aace aach aact aaea aaec aaha aata aatc aatt ac-t acaa acac acae acat acca accc acce acch acct ace- acea acec aceh acet acha ache achh acht acta actc acte acth actt aeac aect aeta aetc aett aetx ahac ahah ahat ahet ahex ahha ahta ahte at-t at-x ataa atac atae atat atax atca atcc atch atea atec atee atex atha athe atta atte axat axce caaa caac caah caat cac- caca cacc cace cach caec caex caha cahe caht cat- cata catc cate cath catt caxa ccaa ccac ccat ccca cccc ccee ccha cche cctc cctt ceac ceat cec- ceca cece cect ceec cet- ceta cete cexe chaa chac chae chah chat chax chca chce chch chea chec chee cheh chet chex chha chtt ctae ctca ctec ctta cxxx eaca eacc each eaec eata eate eath ecaa ecac ecat ecca eccc ecce ecct echa eche echt ect- ecta ectc ecth eeca eeea eeee eeta eetc eete eeth eext ehaa ehcc ehea eheh ehte etah etat etcc etch etec etee eth- etha ethe etta ette exa- exch exec exh- exta exte haat hace haec haet haha haht hata hate hath hatt haxe hcat hcca hccc hcch heah heat heca hech hect heet hehe heta hete heth hett hex- hexa hexe hext hhaa hhat hhex hhhh htcc htea htet taa- taat taca tacc tace tach tact taec taha tahe tata tate tath tatt tax- taxa taxe taxt tcca tccc tch- tcha tche tchh tctc teac teat teca tech tect teec teet teta tete teth tett tetx texa text thaa thae that thax thca thch the- thea thec thee thet thex tttt txaa xace xact xate xcat xexe xtea xxxx