bbbb bbbs bbci bbeb bcbc bcbp bcbs bccc bcci bccs bcec bces bcie bcis bcpp bcps bcsc bcss bebb bebe bebi beci becs beeb beep bees beic beis bes- bese bess bibb bibe bibi bibs bicc bice bici bics bieb bies biis bipp bips bis- bisc bise bisp biss bpcp bsci bscp bscs bseb bsec bsee bses bsic bspp bssc bsse cbbc cbbs cbcc cbce cbcp cbcs cbec cbee cbpc cbpp cbsc cbse cbsi ccbc cccb cccc ccci cccp cccs ccee ccic ccii ccip ccis ccpe ccpp ccps ccsi ccsp ccss cebp cebs cec- cece ceci cecp cecs ceeb ceec cees ceip cepc cepe cepp ceps cesc cese cesi cesp cess cibc cibe cibi cicc cici cics ciee cies ciii ciis cipp cips cis- cisc cise cisp ciss cpbc cpce cpcs cpeb cpep cpic cpps cpsc cscb cscc csce csci cscs csec csee csep csib csis cspb cspc cspe cspi csps csse ebbc ebbs ebcc ebes ebic ebis ecbc ecbe eccb eccc ecce ecci eces ecib ecip ecis ecpp ecsc ecse ecsp ecss eecs eeee eees eeps eese eesi eics eiec eiei eies eise eiss epcc epci epec epee epes epi- epic epie epip epis eppc eppp epps epsc epsi epsp epss esbs escb esce esci escs esee eses esie esis espc espe espi espp esps esse essi essp i-be ibcs ibec ibes ibie ibis ibss icbc icbp icbs iccb iccc icci iccp iccs icec icee ices icis icpc icps icsb icsc icse icsi icsp icss iecc ieie iesc iesi iies iiie iiii iiis iisc iisi iisp ipcc ipce ipcs ipec ipes ipie ippc ipsc ipse ipsi ipsp ipss isbe iscc isci iscp iscs iseb isec isee isep ises isic isie isis ispc ispe isps issc isse issi issp isss pbcc pbsp pcbc pcbs pccc pcce pccs pcep pcip pcpb pcpp pcps pcse pece peci pecs peec peep pees peip peis pepe pepi peps pese pesi pess pibb pibi picc pice pici pics piep pies piip pipe pipi pipp pips pise pisi piss ppcc ppci ppcs ppib ppic ppie pppp ppps ppss psci pseb psec psei psip psis pspi pspp psps pssc psse s-ib s-ic s-ii sbbs sbcc sbcs sbic sbse sbsi sbsp scbi sccc scce sccp sccs scec scee scep sci- scic scie scip scis scpb scpe scpi scps scsc scsi se-c se-e se-i se-s sebe sebi sebs sec- secc sece secs seeb seec seep sees seie seii seip seis sepe sepi sepp seps sesc sese sesi sess sibc sibe sibi sibs sicc sice sici sicp sics siec sies sipc sipe sipi sipp sips sisc sise sisi siss spcc spcs speb spec spee spes spib spic spie spip spis spps spse spsp spss sscc ssce ssci sscp sscs ssec ssee ssep sses ssis sspc sspe ssps sssb sssc sssi ssss