-ase aaaa aaac aaae aaaf aaap aaas aaca aacc aace aacf aacp aacs aaea aaec aaep aaes aafa aafc aaff aapa aapc aaps aasa aasc aase aasf aass acaa acac acae acap acas acca accc acce accf accp accs ace- acea acec aces acfc acfe acfs acpa acpe acps acsa acsc acse acss aeac aeaf aeap aeas aesc aess afaa afap afca afcc afcs afee afes affa affc affs afpa afpc afpe afsa afsc afsp apac apap apas apca apcc apcs apea apec apep apes apfa apfc appa appc apps apsa apse apss asaa asac asae asaf asap asas asc- asca ascc asce ascp asea asec asee asep ases asfa aspa aspc aspe asps assa assc asse assp asss caaa caac caaf caap caas cac- caca cacc cace caec caes cafa cafc cafe caff cafs capa capc cape capp caps casa casc case casp cass ccaa ccac ccaf ccap ccas ccca cccc cccf cccp cccs ccee ccfa ccfc ccff ccpa ccpe ccpp ccps ccsa ccsf ccsp ccss ceac ceas cec- ceca cece cecp cecs ceec cees cef- cefa cefc cepa cepc cepe cepp ceps cesa cesc cese cesp cess cfaa cfac cfae cfca cfcf cfcs cfpa cfps cfsa cfse cpaa cpac cpaf cpap cpas cpca cpce cpcs cpea cpep cpff cppa cpps cpsa cpsc csaa csac csas cscc csce cscf cscs csea csec csee csep csfc cspa cspc cspe csps cssa csse eaaf eaca eacc eaec eapc eapp eaps easa ease ecaa ecac ecca eccc ecce ecef eces ecfa ecfc ecfs ecpa ecpp ecsa ecsc ecse ecsp ecss eeca eecs eeea eeee eees eefa eefe eeps eese efas efca efes effa effs efpa efsa epaa epac epas epcc epec epee epes epfa epfc eppa eppc eppp epps epsa epsc epsf epsp epss esac esas esca esce escs esea esee eses esfp esfs espa espc espe espp esps essa esse essp faaa faac faap faas faca facc face facp facs faes fafa fafc fafe faff fapa fape fapp faps fasa fasc fase fass fcap fcas fcca fccf fccp fces fcpa fcps fcsc feaf feap feas fece fees fefc fefe feff fepa fepc feps fesa fese fess ffcc ffee ffff ffps ffsa ffss fp-c fpaa fpas fpcc fsas fscc fsec fspc fspf fssa fssc fssf fssp paap paas paca pace pacs paea paec paep paes pafa pafc pafe paff papa pape papp paps pasa pasc pase pasp pass pcaa pcae pcaf pcap pcas pcca pccc pcce pccs pcea pcep pcfc pcpp pcps pcsa pcse peac peap peas peca pece pecs peec peep pees pefc peff pefs pepa pepe peps pesa pese pess pfaa pfas pfce pfcs pfff pfps ppac ppap ppcc ppcs ppfa pppa pppp ppps ppsf ppss psac psap psas psca psec psfs pspp psps pssa pssc psse sa-c saac saae saaf saap saas saca sacc sace sacs saes safa safc safe saff sapa sape sapp saps sasa sasc sase sasf sass scaa scac scaf scap scas sccc scce sccp sccs scea scec scee scep scfa scfc scfe scpa scpe scps scsa scsc se-c se-e se-f se-s seaa seac seaf seap seas sec- seca secc sece secs seea seec seef seep sees sefa seff sepa sepe sepp seps sesa sesc sese sess sfas sfca sfcc sfcs sffc sfpa sfpc sfss sp-a spac spae spap spas spca spcc spcs spea spec spee spef spes spfc spfs sppf spps spsa spse spsp spss ssaa ssac ssap ssas ssca sscc ssce sscp sscs ssec ssee ssep sses ssfc ssfp sspa sspc sspe sspf ssps sssa sssc sssf ssss