a-ha aaaa aaac aaae aaah aaar aaca aacc aace aach aacr aact aaea aaec aaha aara aarc aare aart aata aatc aatt ac-t acaa acac acae acar acat acca accc acce acch acct ace- acea acec aceh acer acet acha ache achh achr acht acr- acra acrc acre acrr acta actc acte acth actt aeac aect aeer aer- aera aerc aeta aetc aetr aett aetx ahac ahah ahar ahat ahet ahex ahha ahra ahrc ahre ahrr ahta ahte arac arae arah arar arat arax arc- arca arce arch arct area arec aree areh aret arex arh- arr- arra arrc arre arrh arrr arrt arta artc arte arth artr artx at-t at-x ataa atac atae atar atat atax atca atcc atch atcr atea atec atee ater atex atha athe atra atrc atre atrx atta atte attr axar axat axce axer caaa caac caah caat cac- caca cacc cace cach cacr caec caer caex caha cahe caht cara carc care carr cart carx cat- cata catc cate cath catt caxa ccaa ccac ccar ccat ccca cccc ccee ccha cche cchr ccra ccrc ccre ccrt cctc cctt ceac cear ceat cec- ceca cece cect ceec cer- cera cerc cere cert cet- ceta cete cexe chaa chac chae chah char chat chax chca chce chch chea chec chee cheh cher chet chex chha chra chrc chrr chrt chtr chtt crac crar crat crax crca crcc crce crcr cre- crea crec cree creh cret crex crrt crtc ctae ctca ctec ctrc ctta cxxx eaca eacc each eaec eara eare earh eart eata eate eath ecaa ecac ecar ecat ecca eccc ecce ecct echa eche echt ecra ecrc ecrr ect- ecta ectc ecth eeca eeea eeee eera eerc eeta eetc eete eeth eext ehaa ehcc ehea eheh eher ehre ehte er-x erat erca ercc erce erch erec erer eret erhc erra errc erre erta erth etah etat etcc etch etec etee eter eth- etha ethe etra etre etta ette exa- exch exec exer exh- exrx exta exte extr haar haat hace haec haet haha haht hara harc hare harh harr hart hata hate hath hatt haxe hcat hcca hccc hcch heah hear heat heca hech hect heer heet hehe hera herc here herr hert heta hete heth hett hex- hexa hexe hext hhaa hhat hhex hhhh hrac hree hrrc hrta hrte htcc htea htet htra httr raat rac- raca racc race rach ract raec raer raha rahe rahr raht rara rare rata rate rath ratt raxa rcac rccc rcet rctc rea- reac reae rear reat reca recc rece rech recr rect reet reha rehe reht rera rere rert reta rete reth retr rett rexx rhae rhce rhea rhee rhet rhex rrah rrat rrrr rtca rtcc rtce rtee rtex taa- taar taat taca tacc tace tach tact taec taer taha tahe tahr tara tarc tare tarr tart tata tate tath tatr tatt tax- taxa taxe taxt tcca tccc tch- tcha tche tchh tchr tctc teac tear teat teca tech tecr tect teec teer teet tehr ter- tera terc tere terr teta tete teth tetr tett tetx texa text thaa thae thar that thax thca thch the- thea thec thee ther thet thex thra thre thtr traa trac trae trat trax trca trcc tre- trea trec tree tret trex trra trtc trte trtr tter tttt txaa txtr xaar xace xact xara xare xate xcat xeer xer- xera xert xexe xtar xtea xtra xxxx