aaaa aaac aaad aaae aaca aacc aacd aace aact aada aadc aade aadt aaea aaec aata aatc aatt ac-t acaa acac acad acae acat acca accc accd acce acct acda acdc acde acdt ace- acea acec aced acet acta actc acte actt adaa adac adad adae adat adcc adda addc addd adde adea adee adet adta aeac aect aede aedt aeta aetc aett aetx at-t at-x ataa atac atad atae atat atax atca atcc atdt atea atec ated atee atex atta atte axat axce axed c-cd caaa caac caat cac- caca cacc cace cada cadc cadd cade caec caex cat- cata catc catd cate catt caxa ccaa ccac ccad ccat ccca cccc ccdc cced ccee cctc cctt cd-e cdaa cdac cdad cdax cdda cdec cdex ceac cead ceat cec- ceca cece cect ceda cedd cede cedt ceec cet- ceta cete cexe ctae ctca ctec ctta cxxx daad daae daca dace dact dada dade data date datt dcca dccc dcct dctc dcxx dddd deac dead deae dec- deca decc decd dece dect deda dedd dede deed deet deta dete dex- dexa dexe dext dtaa dtac dtcc dted dttx dtxt dxcc dxdc dxec dxed dxxx eaca eacc eada eadd eaec eata eate ecaa ecac ecad ecat ecca eccc ecce ecct ecdc eced ect- ecta ectc edac edad edax edca edda eddc edde ede- edea edex edta eeca eede eeea eeee eeta eetc eete eext etat etcc etec etee etta ette exa- exda exec exed exta exte taa- taat taca tacc tace tact tada tade taec tata tate tatt tax- taxa taxe taxt tcad tcca tccc tcdd tctc tdac teac tead teat teca tect teda tedd tede tedx teec teed teet teta tete tett tetx texa text tttt txaa x-ed xace xact xate xcat xdcc xexe xtea xxxx