-ase a-be aaaa aaab aaac aaae aaap aaar aaas aaba aabb aabc aabp aabt aaca aacb aacc aace aacp aacr aacs aact aaea aaec aaep aaes aapa aapc aaps aapt aara aarc aare aarp aars aart aasa aasc aase aass aast aata aatc aatt abaa abab abac abae abap abar abas abat abb- abba abbb abbe abbr abbs abbt abca abcb abcc abcp abcr abcs abct abec abee aber abes abet abpa abpc abpp abpr abps abra abrc abrs abs- absa abse absp abss abta abts ac-t acaa acab acac acae acap acar acas acat acba acca accc acce accp accs acct ace- acea acec acer aces acet acpa acpe acpr acps acpt acr- acra acrc acre acrr acrs acsa acsc acse acss acst acta actc acte acts actt aeac aeap aeas aebs aecb aect aeer aer- aera aerc aers aesc aess aest aeta aetc aetr aett apac apap apar apas apat apba apbr apbs apca apcb apcc apcr apcs apea apec apep aper apes apet appa appc appr apps appt apra aprc apre aprs aprt apsa apse apss apta aptc apte apts aptt arab arac arae arap arar aras arat arba arbe arbs arc- arca arce arcs arct area arec aree arep ares aret arpa arpe arps arr- arra arrc arre arrr arrs arrt ars- arsa arsc arse arst arta artc arte artr arts asaa asab asac asae asap asar asas asat asba asc- asca ascb ascc asce ascp ascr asct asea asec asee asep aser ases aset aspa aspc aspe aspr asps aspt asra asrc asrs assa assc asse assp assr asss asst asta astb astc aste astp astr asts at-t ataa atab atac atae atap atar atas atat atbs atca atcc atcr atcs atea atec atee atep ater ates atpr atra atrc atre atrp atsb atsc atse atst atta atte attp attr atts baaa baar baas baat baba babb babe babr babs bac- baca bacc bace bacs bact baer baes bapa bapc bape bapp baps bapt bar- bara barb barc bare barr bars bart basa basc base bass bast bata batc bate bats batt bbas bbbb bbbs bbeb bbet bbpr bbrc bcaa bcap bcar bcas bcat bcbc bcbp bcbs bcca bccc bccs bcec bcer bces bcet bcpp bcps bcra bcrs bcsa bcsc bcss bctc bcts beap bear beas beat beba bebb bebe beca becs beeb beep beer bees beet bera berc bere berr bers bert bes- besa bese bess best beta betc bete bets bett bpcp bpea bprc bpsa brab brac brae bras brat brca brcb brce brea breb brec bree brep brer bres bret brrr brrs brsb brsr brst brtc bsaa bsac bsap bsas bsat bscp bscs bsea bseb bsec bsee bser bses bset bspp bspr bsra bssc bsse bsts btaa btbp btcc btcs btec btps btrc btrt btss bttb caaa caab caac caap caas caat caba cabe cabs cac- caca cacc cace cacr caec caer caes capa capb capc cape capp caps capt cara carb carc care carp carr cars cart casa casb casc case casp casr cass cast cat- cata catb catc cate cats catt cbac cbar cbat cbbc cbbs cbca cbcc cbce cbcp cbcr cbcs cbct cbea cbec cbee cber cbet cbpc cbpp cbre cbrt cbsa cbsc cbse cbta cbtc ccaa ccab ccac ccap ccar ccas ccat ccba ccbc ccca cccb cccc cccp cccs ccee ccpa ccpe ccpp ccpr ccps ccra ccrc ccre ccrp ccrs ccrt ccsa ccsp ccss ccst cctb cctc cctt ceac cear ceas ceat ceba cebp cebs cec- ceca cece cecp cecs cect ceeb ceec cees cepa cepc cepe cepp cepr ceps cept cer- cera cerc cere cerp cers cert cesa cesc cese cesp cesr cess cest cet- ceta cete cetp cets cpaa cpac cpap cpas cpbc cpca cpce cpcs cpea cpeb cpep cper cppa cpps cpre cprs cprt cpsa cpsc cpsr cptp cptr cpts crab crac crap crar cras crat crbc crca crcc crce crcr cre- crea creb crec cree crep cres cret crpc crps crrt crsa crsp crss crst crtc crtp crts csaa csab csac csar csas csat cscb cscc csce cscr cscs csea csec csee csep cser cset cspa cspb cspc cspe csps cspt csra csrc csrs cssa csse cssr csta cstc cstr csts ctab ctae ctba ctbs ctca ctcp ctec ctep ctpp ctps ctrc ctrp ctrs ctsa ctsc ctss ctta ctts eaba eaca eacc eaec eapc eapp eaps eara earb eare earp ears eart easa ease east eata eate eats ebac ebba ebbc ebbr ebbs ebcc eber ebes ebsa ecaa ecac ecar ecat ecbc ecbe ecca eccb eccc ecce ecct eces ecpa ecpp ecra ecrc ecrr ecsa ecsc ecse ecsp ecss ect- ecta ectc ects eeca eecs eeea eeee eees eeps eera eerc eers eese eeta eetc eete eets epaa epac epas epcc epec epee eper epes eppa eppc eppp epps epra eprb eprp eprs epsa epsc epsp epss epta epte erap eras erat erba erbb erbe erca ercc erce ercp ereb erec erer eres eret erpa erpe erps erra errc erre errs ersa erse erst erta erts esab esac esar esas esat esba esbs esca escb esce escr escs esea esee eser eses eset espa espc espe espp esps esra essa esse essp esst esta estc este estp estr ests etap etas etat etbc etbr etcc etcs etec etee eter etes etra etre etta ette paap paar paas paat paba pabt paca pace pacs pact paea paec paep paer paes papa papb pape papp papr paps par- para parc pare parp parr pars part pasa pasc pase pasp pass past pata pate patr pats patt pbac pbar pbcc pbpa pbrs pbsa pbsp pcaa pcae pcap pcas pcba pcbc pcbs pcca pccc pcce pccs pcea pcep pcer pcpb pcpp pcps pcra pcrc pcre pcsa pcse pcte pcts peab peac peap pear peas peat peba peca pece pecr pecs pect peec peep peer pees peet pepa pepe peps per- pera perc pere perp perr pers pert pesa pese pess pest peta pete petr pets pett ppac ppap ppar ppcc ppcs pper pppa pppp ppps pprc ppss ppta