-ase a-be a-ii aaaa aaab aaac aaae aaai aaap aaas aaba aabb aabc aabi aabp aaca aacb aacc aace aaci aacp aacs aaea aaec aaep aaes aaib aaic aaii aais aapa aapc aapi aaps aasa aasc aase aasi aass abaa abab abac abae abai abap abas abb- abba abbb abbe abbi abbs abca abcb abcc abci abcp abcs abec abee abes abia abib abic abie abis abpa abpc abpi abpp abps abs- absa abse absi absp abss acaa acab acac acae acai acap acas acba acca accc acce acci accp accs ace- acea acec aces aci- acia acic acie acip acis acpa acpe acpi acps acsa acsc acse acsi acss aeac aeap aeas aebi aebs aecb aeci aesc aess aiai aias aiba aica aicc aice aicp aics aiea aiee aiia aiib aiic aipa aipe aipi aips aisa aisb aise aisi apac apai apap apas apba apbs apca apcb apcc apcs apea apec apep apes api- apia apic apie apip apis appa appc apps apsa apse apsi apss asaa asab asac asae asai asap asas asba asc- asca ascb ascc asce asci ascp asea asec asee asep ases asia asic asie asii asip asis aspa aspc aspe aspi asps assa assc asse assi assp asss ba-i baaa baas baba babb babe babi babs bac- baca bacc bace baci bacs baes baia baib baic baie bais bapa bapc bape bapi bapp baps basa basc base basi bass bbas bbbb bbbs bbci bbeb bcaa bcap bcas bcbc bcbp bcbs bcca bccc bcci bccs bcec bces bcia bcie bcis bcpp bcps bcsa bcsc bcss beap beas beba bebb bebe bebi beca beci becs beeb beep bees beia beic beis bes- besa bese bess biap bias biba bibb bibe bibi bibs bica bicc bice bici bics bieb bies biis bipa bipp bips bis- bisa bisc bise bisp biss bpai bpcp bpea bpsa bsaa bsac bsap bsas bsci bscp bscs bsea bseb bsec bsee bses bsic bspp bssc bsse caaa caab caac caap caas caba cabe cabi cabs cac- caca cacc cace caci caec caei caes caia caib caic caip cais capa capb capc cape capi capp caps casa casb casc case casi casp cass cbac cbbc cbbs cbca cbcc cbce cbcp cbcs cbea cbec cbee cbia cbpc cbpp cbsa cbsc cbse cbsi ccaa ccab ccac ccai ccap ccas ccba ccbc ccca cccb cccc ccci cccp cccs ccee ccic ccii ccip ccis ccpa ccpe ccpp ccps ccsa ccsi ccsp ccss ceac ceas ceba cebp cebs cec- ceca cece ceci cecp cecs ceeb ceec cees ceip cepa cepc cepe cepp ceps cesa cesc cese cesi cesp cess ciaa cias ciba cibc cibe cibi cica cicc cici cics ciee cies ciia ciii ciis cipa cipp cips cis- cisa cisc cise cisp ciss cpaa cpac cpap cpas cpbc cpca cpce cpcs cpea cpeb cpep cpia cpic cppa cpps cpsa cpsc csaa csab csac csas cscb cscc csce csci cscs csea csec csee csep csia csib csis cspa cspb cspc cspe cspi csps cssa csse eaba eaca eacc eaec eapc eapp eaps easa ease easi ebac ebba ebbc ebbs ebcc ebes ebic ebis ebsa ecaa ecac ecai ecbc ecbe ecca eccb eccc ecce ecci eces ecib ecip ecis ecpa ecpp ecsa ecsc ecse ecsp ecss eeca eecs eeea eeee eees eeps eese eesi eica eics eiec eiei eies eisa eise eiss epaa epac epas epcc epci epec epee epes epi- epia epic epie epip epis eppa eppc eppp epps epsa epsc epsi epsp epss esab esac esai esas esba esbs esca escb esce esci escs esea esee eses esie esis espa espc espe espi espp esps essa esse essi essp i-be iaaa iaac iaai iaap iaas iaba iaca iacc iacp iacs iaea iaec iaep iaia iais iapa iapp iaps iasa iasc iasi iasp ibac ibas ibca ibcs ibea ibec ibes ibia ibie ibis ibsa ibss icaa icab icac icai icap icas icbc icbp icbs icca iccb iccc icci iccp iccs icea icec icee ices icis icpa icpc icps icsa icsb icsc icse icsi icsp icss ieac iecc ieie iepa iesa iesc iesi iiac iias iica iies iiie iiii iiis iipa iisc iisi iisp ipac ipas ipba ipca ipcc ipce ipcs ipea ipec ipes ipie ippa ippc ipsa ipsc ipse ipsi ipsp ipss is-a isac isae isai isas isba isbe isca iscc isci iscp iscs isea iseb isec isee isep ises isia isic isie isis ispa ispc ispe isps issa issc isse issi issp isss paap paas paba paca pace paci pacs paea paec paep paes paia paib paie paip pais papa papb pape papi papp paps pasa pasc pase pasi pasp pass pbac pbcc pbpa pbsa pbsp pcaa pcae pcap pcas pcba pcbc pcbs pcca pccc pcce pccs pcea pcep pcia pcip pcpb pcpp pcps pcsa pcse peab peac peai peap peas peba peca pece peci pecs peec peep pees peia peip peis pepa pepe pepi peps pesa pese pesi pess piai pias pibb pibi pica picc pice pici pics piea piep pies piia piip pipa pipe pipi pipp pips pisa pise pisi piss ppac ppap ppcc ppci ppcs ppib ppic ppie pppa pppp ppps ppss psac psap psas psca psci pseb psec psei psia psip psis pspi pspp psps pssa pssc psse s-ib s-ic s-ii sa-c saab saac saae saap saas saba sabb sabc sabe sabi sabs saca sacc sace saci sacs saeb saes saia saic saie saip sais sapa sape sapi sapp saps sasa sasc sase sasi sass sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbia sbic sbsa sbse sbsi sbsp scaa scab scac scai scap scas scba scbi sccc scce sccp sccs scea scec scee scep sci- scia scic scie scip scis scpa scpb scpe scpi scps scsa scsc scsi se-c se-e se-i se-s seaa seab seac seap seas seba sebe sebi sebs sec- seca secc sece secs seea seeb seec seep sees seia seie seii seip seis sepa sepe sepi sepp seps sesa sesc sese sesi sess siaa siab siac siae siai sias siba sibc sibe sibi sibs sica sicc sice sici sicp sics siec