-ase aaaa aaac aaae aaap aaas aaca aacc aace aacp aacs aaea aaec aaep aaes aapa aapc aaps aasa aasc aase aass acaa acac acae acap acas acca accc acce accp accs ace- acea acec aces acpa acpe acps acsa acsc acse acss aeac aeap aeas aesc aess apac apap apas apca apcc apcs apea apec apep apes appa appc apps apsa apse apss asaa asac asae asap asas asc- asca ascc asce ascp asea asec asee asep ases aspa aspc aspe asps assa assc asse assp asss caaa caac caap caas cac- caca cacc cace caec caes capa capc cape capp caps casa casc case casp cass ccaa ccac ccap ccas ccca cccc cccp cccs ccee ccpa ccpe ccpp ccps ccsa ccsp ccss ceac ceas cec- ceca cece cecp cecs ceec cees cepa cepc cepe cepp ceps cesa cesc cese cesp cess cpaa cpac cpap cpas cpca cpce cpcs cpea cpep cppa cpps cpsa cpsc csaa csac csas cscc csce cscs csea csec csee csep cspa cspc cspe csps cssa csse eaca eacc eaec eapc eapp eaps easa ease ecaa ecac ecca eccc ecce eces ecpa ecpp ecsa ecsc ecse ecsp ecss eeca eecs eeea eeee eees eeps eese epaa epac epas epcc epec epee epes eppa eppc eppp epps epsa epsc epsp epss esac esas esca esce escs esea esee eses espa espc espe espp esps essa esse essp paap paas paca pace pacs paea paec paep paes papa pape papp paps pasa pasc pase pasp pass pcaa pcae pcap pcas pcca pccc pcce pccs pcea pcep pcpp pcps pcsa pcse peac peap peas peca pece pecs peec peep pees pepa pepe peps pesa pese pess ppac ppap ppcc ppcs pppa pppp ppps ppss psac psap psas psca psec pspp psps pssa pssc psse sa-c saac saae saap saas saca sacc sace sacs saes sapa sape sapp saps sasa sasc sase sass scaa scac scap scas sccc scce sccp sccs scea scec scee scep scpa scpe scps scsa scsc se-c se-e se-s seaa seac seap seas sec- seca secc sece secs seea seec seep sees sepa sepe sepp seps sesa sesc sese sess sp-a spac spae spap spas spca spcc spcs spea spec spee spes spps spsa spse spsp spss ssaa ssac ssap ssas ssca sscc ssce sscp sscs ssec ssee ssep sses sspa sspc sspe ssps sssa sssc ssss