-ase a-be aaaa aaab aaac aaae aaap aaas aaba aabb aabc aabp aabt aaca aacb aacc aace aacp aacs aact aaea aaec aaep aaes aapa aapc aaps aapt aasa aasc aase aass aast aata aatc aatt abaa abab abac abae abap abas abat abb- abba abbb abbe abbs abbt abca abcb abcc abcp abcs abct abec abee abes abet abpa abpc abpp abps abs- absa abse absp abss abta abts ac-t acaa acab acac acae acap acas acat acba acca accc acce accp accs acct ace- acea acec aces acet acpa acpe acps acpt acsa acsc acse acss acst acta actc acte acts actt aeac aeap aeas aebs aecb aect aesc aess aest aeta aetc aett apac apap apas apat apba apbs apca apcb apcc apcs apea apec apep apes apet appa appc apps appt apsa apse apss apta aptc apte apts aptt asaa asab asac asae asap asas asat asba asc- asca ascb ascc asce ascp asct asea asec asee asep ases aset aspa aspc aspe asps aspt assa assc asse assp asss asst asta astb astc aste astp asts at-t ataa atab atac atae atap atas atat atbs atca atcc atcs atea atec atee atep ates atsb atsc atse atst atta atte attp atts baaa baas baat baba babb babe babs bac- baca bacc bace bacs bact baes bapa bapc bape bapp baps bapt basa basc base bass bast bata batc bate bats batt bbas bbbb bbbs bbeb bbet bcaa bcap bcas bcat bcbc bcbp bcbs bcca bccc bccs bcec bces bcet bcpp bcps bcsa bcsc bcss bctc bcts beap beas beat beba bebb bebe beca becs beeb beep bees beet bes- besa bese bess best beta betc bete bets bett bpcp bpea bpsa bsaa bsac bsap bsas bsat bscp bscs bsea bseb bsec bsee bses bset bspp bssc bsse bsts btaa btbp btcc btcs btec btps btss bttb caaa caab caac caap caas caat caba cabe cabs cac- caca cacc cace caec caes capa capb capc cape capp caps capt casa casb casc case casp cass cast cat- cata catb catc cate cats catt cbac cbat cbbc cbbs cbca cbcc cbce cbcp cbcs cbct cbea cbec cbee cbet cbpc cbpp cbsa cbsc cbse cbta cbtc ccaa ccab ccac ccap ccas ccat ccba ccbc ccca cccb cccc cccp cccs ccee ccpa ccpe ccpp ccps ccsa ccsp ccss ccst cctb cctc cctt ceac ceas ceat ceba cebp cebs cec- ceca cece cecp cecs cect ceeb ceec cees cepa cepc cepe cepp ceps cept cesa cesc cese cesp cess cest cet- ceta cete cetp cets cpaa cpac cpap cpas cpbc cpca cpce cpcs cpea cpeb cpep cppa cpps cpsa cpsc cptp cpts csaa csab csac csas csat cscb cscc csce cscs csea csec csee csep cset cspa cspb cspc cspe csps cspt cssa csse csta cstc csts ctab ctae ctba ctbs ctca ctcp ctec ctep ctpp ctps ctsa ctsc ctss ctta ctts eaba eaca eacc eaec eapc eapp eaps easa ease east eata eate eats ebac ebba ebbc ebbs ebcc ebes ebsa ecaa ecac ecat ecbc ecbe ecca eccb eccc ecce ecct eces ecpa ecpp ecsa ecsc ecse ecsp ecss ect- ecta ectc ects eeca eecs eeea eeee eees eeps eese eeta eetc eete eets epaa epac epas epcc epec epee epes eppa eppc eppp epps epsa epsc epsp epss epta epte esab esac esas esat esba esbs esca escb esce escs esea esee eses eset espa espc espe espp esps essa esse essp esst esta estc este estp ests etap etas etat etbc etcc etcs etec etee etes etta ette paap paas paat paba pabt paca pace pacs pact paea paec paep paes papa papb pape papp paps pasa pasc pase pasp pass past pata pate pats patt pbac pbcc pbpa pbsa pbsp pcaa pcae pcap pcas pcba pcbc pcbs pcca pccc pcce pccs pcea pcep pcpb pcpp pcps pcsa pcse pcte pcts peab peac peap peas peat peba peca pece pecs pect peec peep pees peet pepa pepe peps pesa pese pess pest peta pete pets pett ppac ppap ppcc ppcs pppa pppp ppps ppss ppta ppts pptt psac psap psas psat psbt psca pseb psec pspp psps pssa pssc psse psst psts ptab ptas ptca ptcc ptsa pttc sa-c saab saac saae saap saas saat saba sabb sabc sabe sabs saca sacc sace sacs sact saeb saes sapa sape sapp saps sasa sasc sase sass sast sata satb satc sate sats satt sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbsa sbse sbsp sbst sbtc scaa scab scac scap scas scat scba sccc scce sccp sccs scct scea scec scee scep scet scpa scpb scpe scps scpt scsa scsc scst sctc scts se-c se-e se-s se-t seaa seab seac seap seas seat seba sebe sebs sebt sec- seca secc sece secs sect seea seeb seec seep sees seet sepa sepe sepp seps sept sesa sesc sese sess sest set- seta setc sete sets sett sp-a spac spae spap spas spat spca spcc spcs spea speb spec spee spes spet spps spsa spse spsp spss spst spta sptb sptc spts ssaa ssab ssac ssap ssas ssat ssca sscc ssce sscp sscs ssec ssee ssep sses sset sspa sspc sspe ssps sspt sssa sssb sssc ssss ssta sstb sstc sstp ssts stab stac stae stap stas stat stbc stbs stca stcc stcp stcs stea stec stee step stes stet stpp stps stss sttc taa- taas taat taba tabb tabc tabe tabs taca tacc tace tacs tact taec taes tapa tape tapp taps tapt tasa tasb tasc tase tasp tass tast tata tatb tate tats tatt tbas tbbs tbca tbcb tbcc tbce tbsp tbst tbta tbtp tcap tcbs tcca tccc tcep tcpa tctc tcts teac teas teat teba teca tecs tect teec tees teet tepa tepe tepp tesa tesc tese tesp tess test teta tete tets tett tpac tpap tpcp tpcs tppa tppp tpsa tpsc tpte tptp tsaa tsat tsbc tsca tscc tscp tsec tses tset tsps tspt tssa tsse tsst tstc tsts ttab ttbb ttcp ttss tttt