bbbb bbbs bbci bbeb bbfc bcbc bcbp bcbs bccc bcci bccs bcec bces bcfc bcie bcis bcpp bcps bcsc bcss bebb bebe bebi beci becs beeb beef beep bees befe beff beic beis bes- bese bess bfcs bffs bfpp bfsi bibb bibe bibi bibs bicc bice bici bics bieb bief bies biff bifi biis bipp bips bis- bisc bise bisp biss bpcp bpfc bsci bscp bscs bseb bsec bsee bses bsfc bsff bsfs bsic bspp bssc bsse cbbc cbbs cbcc cbce cbcp cbcs cbec cbee cbef cbfb cbfc cbpc cbpp cbsc cbse cbsi ccbc cccb cccc cccf ccci cccp cccs ccee ccfc ccff ccfi ccic ccii ccip ccis ccpe ccpp ccps ccsf ccsi ccsp ccss cebp cebs cec- cece ceci cecp cecs ceeb ceec cees cef- cefc ceip cepc cepe cepp ceps cesc cese cesi cesp cess cfbc cfbs cfcb cfcf cfcs cffb cfps cfse cfsi cibc cibe cibi cicc cici cics ciee cies cife ciff cifs ciii ciis cipf cipp cips cis- cisc cise cisp ciss cpbc cpce cpcs cpeb cpep cpff cpic cpif cpps cpsc csbf cscb cscc csce cscf csci cscs csec csee csep csfc csib csis cspb cspc cspe cspi csps csse ebbc ebbs ebcc ebes ebfc ebic ebis ecbc ecbe eccb eccc ecce ecci ecef eces ecfc ecfs ecib ecip ecis ecpp ecsc ecse ecsp ecss eecs eeee eees eefe eeps eese eesi efes effi effs efic efsi eics eiec eiei eies eifs eise eiss epcc epci epec epee epes epfc epi- epic epie epip epis eppc eppp epps epsc epsf epsi epsp epss esbs escb esce esci escs esee eses esfp esfs esie esis espc espe espi espp esps esse essi essp fbis fcbs fccf fccp fces fcic fcii fcps fcsc febs fece feeb fees fefc fefe feff fefi feie feis fepc feps fese fess ffcc ffee ffff ffii ffps ffss fibe fibp fibs ficc fice fics fiec fief fies fifc fife fiff fifi fiii fipp fips fisc fise fisi fiss fp-c fpcc fscb fscc fsec fsfi fspc fspf fssc fssf fssp i-be ibcs ibec ibes ibfi ibie ibis ibsf ibss icbc icbp icbs iccb iccc iccf icci iccp iccs icec icee icef ices icfb icis icpc icps icsb icsc icse icsi icsp icss iecc ieie iesc iesi ifbb ifcp ifes ific ifis ifps ifsb ifsc ifsp iies iiie iiii iiis iipf iisc iisi iisp ipcc ipce ipcs ipec ipes ipfc ipie ippc ippf ipsc ipse ipsi ipsp ipss isbe iscc isci iscp iscs iseb isec isee isep ises isfc isfp isic isie isis ispc ispe ispf isps issc isse issf issi issp isss pbcc pbsp pcbc pcbs pccc pcce pccs pcep pcfc pcip pcpb pcpp pcps pcse pece peci pecs peec peep pees pefc peff pefs peip peis pepe pepi peps pese pesi pess pfcb pfce pfcs pfff pfic pfis pfps pibb pibi picc pice pici pics piep pies piff pifs piip pipe pipi pipp pips pise pisi piss ppcc ppci ppcs ppib ppic ppie ppif pppp ppps ppsf ppss psci pseb psec psei psfs psip psis pspi pspp psps pssc psse s-ib s-ic s-ii sbbs sbcc sbcs sbef sbfc sbic sbse sbsi sbsp scbi sccc scce sccp sccs scec scee scep scfc scfe scfi sci- scic scie scif scip scis scpb scpe scpi scps scsc scsi se-c se-e se-f se-i se-s sebe sebi sebs sec- secc sece secs seeb seec seef seep sees seff sefi seie seif seii seip seis sepe sepi sepp seps sesc sese sesi sess sfbc sfcc sfcs sffc sfpc sfss sibc sibe sibi sibs sicc sice sici sicp sics siec sief sies sife siff sipc sipe sipi sipp sips sisc sise sisi siss spcc spcs speb spec spee spef spes spfc spfs spib spic spie spip spis sppf spps spse spsp spss sscc ssce ssci sscp sscs ssec ssee ssep sses ssfc ssfp ssis sspc sspe sspf ssps sssb sssc sssf sssi ssss