aaaa aaac aaae aaaf aaap aaar aaca aacc aace aacf aacp aacr aact aaea aaec aaep aafa aafc aaff aapa aapc aapt aara aarc aare aarp aart aata aatc aatf aatt ac-t acaa acac acae acap acar acat acca accc acce accf accp acct ace- acea acec acer acet acfc acfe acft acpa acpe acpr acpt acr- acra acrc acre acrr acta actc acte actf actt aeac aeaf aeap aect aeer aer- aera aerc aeta aetc aetf aetr aett aetx afaa afap afar afat afca afcc afee afer afet affa affc afft afpa afpc afpe afr- afra afrc afre afta aftc afte aftp afxe apac apap apar apat apax apca apcc apcr apea apec apep aper apet apex apfa apfc apft appa appc appr appt appx apra aprc apre aprt apta aptc apte aptt aptx arac arae araf arap arar arat arax arc- arca arce arct area arec aree aref arep aret arex arfa arfc arff arft arpa arpe arr- arra arrc arre arrr arrt arta artc arte artr artx at-t at-x ataa atac atae atap atar atat atax atca atcc atcf atcr atea atec atee atef atep ater atex atfc atfe atpr atra atrc atre atrp atrx atta atte attp attr axaf axar axat axce axer axfr caaa caac caaf caap caat cac- caca cacc cace cacr caec caer caex cafa cafc cafe caff capa capc cape capp capt capx cara carc care carf carp carr cart carx cat- cata catc cate catf catt caxa ccaa ccac ccaf ccap ccar ccat ccca cccc cccf cccp ccee ccfa ccfc ccff ccpa ccpe ccpp ccpr ccra ccrc ccre ccrf ccrp ccrt cctc cctt ceac cear ceat cec- ceca cece cecp cect ceec cef- cefa cefc cepa cepc cepe cepp cepr cept cer- cera cerc cere cerf cerp cert cet- ceta cete cetp cexe cfaa cfac cfae cfar cfax cfca cfcf cffr cfpa cfpr cfra cfre cfrp cfrt cfrx cfta cftc cfte cftr cpaa cpac cpaf cpap cpca cpce cpea cpep cper cpff cpft cppa cpre cprt cptp cptr crac craf crap crar crat crax crca crcc crce crcr cre- crea crec cree crep cret crex crfc crpc crrt crtc crtf crtp ctae ctca ctcf ctcp ctec ctep ctfc ctpp ctrc ctrp ctta cxxx eaaf eaca eacc eaec eapc eapp eara eare earp eart eata eate ecaa ecac ecar ecat ecca eccc ecce ecct ecef ecfa ecfc ecfr ecpa ecpp ecra ecrc ecrf ecrr ect- ecta ectc ectf eeca eeea eeee eefa eefe eera eerc eeta eetc eete eext efax efca efet effa efpa eft- efta eftp epaa epac epcc epec epee eper epfa epfc eppa eppc eppp epra eprp epta epte epxp er-x eraf erap erat erca ercc erce ercp erec erer eret erfc erft erfx erpa erpe erra errc erre erta etap etat etcc etec etee eter etfa etfc etfe etra etre etta ette exa- exec exer expr expt exrx exta exte extr faaa faac faap faca facc face facp fact faex fafa fafc fafe faff fapa fape fapp fara farc fare farp farr fart fata fatc fate fatf fatt faxe fcap fcar fcat fcca fccf fccp fcpa fcra feaf feap fear feat fece fect feer feet fefc fefe feff fepa fepc fera ferc fere ferr fert feta fete fetp fetr fett fext ffar ffcc ffee ffff ffrr fftf fp-c fpaa fpcc fpct fpra fprf frac frae frap frat frax frcc frcp frea free frep fret frex frfc frta ft-c ftea fter ftfc ftpe paap paar paat paca pace pact pacx paea paec paep paer pafa pafc pafe paff papa pape papp papr par- para parc pare parf parp parr part pata pate patr patt pcaa pcae pcaf pcap pcca pccc pcce pcea pcep pcer pcfc pcpp pcra pcrc pcre pcrf pcte peac peap pear peat peax peca pece pecr pect peec peep peer peet pefc peff pepa pepe per- pera perc pere perf perp perr pert peta pete petr pett pfaa pfce pfet pfff pffr pfft pfra pfte ppac ppap ppar ppcc pper ppfa pppa pppp pprc pprf ppta pptt prae prar prat prca prcc prcf prcp pre- prec pree pref prep pret prex prfc prtc prtp prtr ptaf ptca ptcc pter ptrf pttc raaf raat rac- raca racc race ract raec raef raep raer rafa rafc rafe raff raft rapa rapc rape rapp rapt rara rare rarf rata rate ratf ratp ratt raxa rcac rcaf rccc rcep rcet rcfc rcpt rctc rea- reac reae reaf reap rear reat reca recc rece recp recr rect reef reep reet refe reff refr reft repe repp repr rept rera rere rert reta rete retr rett rexx rfae rfef rffc rftc rpca rpet rpfc rpta rrat rrfc rrrr rtca rtcc rtce rtee rtex rtfc rtpa rttp taa- taaf taar taat taca tacc tace tact taec taer tafa tafc tafe taff taft tapa tape tapp tapr tapt tara tarc tare tarf tarp tarr tart tata tate tatr tatt tax- taxa taxe taxf taxt tcap tcca tccc tcep tcfc tcpa tctc teac tear teat teca tecr tect teec teef teer teet tefc teff teft tepa tepe tepp ter- tera terc tere terf terp terr teta tete tetr tett tetx texa text tfae tfca tfec tfpt tftc tftp tpac tpap tpcp tper tppa tppp tppr tpte tptp tptr traa trac trae traf trap trat trax trca trcc tre- trea trec tree tref tret trex trfc trfr trpa trpc trpe trpp trra trtc trte trtr ttcp tter ttfa ttfc ttff tttt txaa txtr xaar xace xact xara xare xate xcat xeer xefe xer- xera xert xexe xfce xfer xftp xpac xpax xpcc xper xpra xrep xtar xtea xtep xtra xxxx