-ase aaaa aaac aaae aaar aaas aaca aacc aace aacr aacs aact aaea aaec aaes aara aarc aare aars aart aasa aasc aase aass aast aata aatc aatt ac-t acaa acac acae acar acas acat acca accc acce accs acct ace- acea acec acer aces acet acr- acra acrc acre acrr acrs acsa acsc acse acss acst acta actc acte acts actt aeac aeas aect aeer aer- aera aerc aers aesc aess aest aeta aetc aetr aett aetx arac arae arar aras arat arax arc- arca arce arcs arct area arec aree ares aret arex arr- arra arrc arre arrr arrs arrt ars- arsa arsc arse arst arta artc arte artr arts artx asaa asac asae asar asas asat asc- asca ascc asce ascr asct ascx asea asec asee aser ases aset asra asrc asrs assa assc asse assr asss asst asta astc aste astr asts at-t at-x ataa atac atae atar atas atat atax atca atcc atcr atcs atea atec atee ater ates atex atra atrc atre atrx atsc atse atst atta atte attr atts axar axat axce axer axes axse caaa caac caas caat cac- caca cacc cace cacr caec caer caes caex cara carc care carr cars cart carx casa casc case casr cass cast cat- cata catc cate cats catt caxa ccaa ccac ccar ccas ccat ccca cccc cccs ccee ccra ccrc ccre ccrs ccrt ccsa ccss ccst cctc cctt ceac cear ceas ceat cec- ceca cece cecs cect ceec cees cer- cera cerc cere cers cert cesa cesc cese cesr cess cest cet- ceta cete cets cexe crac crar cras crat crax crca crcc crce crcr cre- crea crec cree cres cret crex crrt crsa crss crst crtc crts csaa csac csar csas csat cscc csce cscr cscs csea csec csee cser cset csra csrc csrs cssa csse cssr csta cstc cstr csts cstx csxt ctae ctca ctec ctrc ctrs ctsa ctsc ctss ctta ctts cxxx eaca eacc eaec eara eare ears eart easa ease east eata eate eats ecaa ecac ecar ecat ecca eccc ecce ecct eces ecra ecrc ecrr ecsa ecsc ecse ecss ect- ecta ectc ects eeca eecs eeea eeee eees eera eerc eers eese eeta eetc eete eets eext er-x eras erat erca ercc erce erec erer eres eret erra errc erre errs ersa erse erst erta erts esac esar esas esat esca esce escr escs esea esee eser eses eset esra essa esse esst esta estc este estr ests etas etat etcc etcs etec etee eter etes etra etre etta ette exa- exec exer exes exrx exta exte extr exts raas raat rac- raca racc race racs ract raec raer raes rara rare rars rasa rasc rase rass rast rata rate rats ratt raxa rcac rcas rccc rccs rcet rcsa rcsc rcss rctc rcts rea- reac reae rear reas reat reca recc rece recr recs rect rees reet rera rere rers rert resa rese ress rest reta rete retr rets rett rexx rras rrat rrrr rsaa rscc rscs rsee rsre rssa rsts rtas rtca rtcc rtce rtee rtes rtex rtss rtts rxes sa-c sa-x saac saae saar saas saat saca sacc sace sacr sacs sact saer saes saex sara sarc sare sarr sars sart sasa sasc sase sass sast sata satc sate satr sats satt saxa saxe saxt scaa scac scar scas scat sccc scce sccs scct scea scec scee scer scet scr- scra scrc scre scrs scsa scsc scsr scst sctc sctr scts se-c se-e se-s se-t se-x seaa seac sear seas seat seax sec- seca secc sece secr secs sect seea seec seer sees seet seex sera serc sere serr sers sert sesa sesc sese sess sest set- seta setc sete sets sett setx sex- sexe sext sras srcc srct srec sres srta srtr ssaa ssac ssas ssat ssca sscc ssce sscs ssec ssee sses sset ssex ssra ssrc ssrs sssa sssc ssss ssta sstc ssts stac stae star stas stat stax stca stcc stcs stea stec stee ster stes stet stex stra strc stre strs stss sttc sttr taa- taar taas taat taca tacc tace tacs tact taec taer taes tara tarc tare tarr tars tart tasa tasc tase tasr tass tast tata tate tatr tats tatt tax- taxa taxe taxt tcca tccc tctc tcts teac tear teas teat teca tecr tecs tect teec teer tees teet ter- tera terc tere terr ters tesa tesc tese tess test teta tete tetr tets tett tetx texa text traa trac trae tras trat trax trca trcc tre- trea trec tree tres tret trex trra trst trtc trte trtr tsaa tsar tsat tsca tscc tsec tses tset tssa tsse tssr tsst tstc tsts tter ttss tttt txaa txtr xaar xace xact xara xare xate xats xcas xcat xces xeer xer- xera xers xert xexe xtar xtea xtra xtsr xxxx