bbbb bbbs bbci bbeb bbfc bcbc bcbp bcbs bccc bcci bccs bcec bces bcfc bcie bcis bcpp bcps bcsc bcss bcuc bcup bebb bebe bebi beci becs becu 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 bieu biff bifi biis bipp bips bipu bis- bisc bise bisp biss bisu bpcp bpfc bpsu bsci bscp bscs bseb bsec bsee bses bsfc bsff bsfs bsic bspp bssc bsse bsup bubb bube bubi bubs bubu bucc buce buci bucs bucu bueu bufc bufe buff buic buie buif buis buiu bupc bups busc buse busi buss busu buus cbbc cbbs cbcc cbce cbcp cbcs cbcu cbec cbee cbef cbfb cbfc cbpc cbpp cbsc cbse cbsi cbus ccbc cccb cccc cccf ccci cccp cccs cccu ccee ccfc ccff ccfi ccic ccii ccip ccis ccpe ccpp ccps ccsf ccsi ccsp ccss ccuc ccup ccus cebp cebs cebu cec- cece ceci cecp cecs ceeb ceec cees cef- cefc ceip cepc cepe cepp ceps cesc cese cesi cesp cess ceui cfbc cfbs cfcb cfcf cfcs cffb cfps cfse cfsi cibc cibe cibi cicc cici cics cicu ciee cies cife ciff cifs ciii ciis cipf cipp cips cis- cisc cise cisp ciss ciuc ciup cius cpbc cpce cpcs cpcu cpeb cpep cpff cpic cpif cpps cpsc cpsu cpus csbf cscb cscc csce cscf csci cscs csec csee csep csfc csib csis cspb cspc cspe cspi csps csse csuf csup csus cub- cubb cube cubi cubs cucc cuce cuci cues cufc cuff cufi cui- cuif cuis cupe cupp cups cusb cusp cuss cusu ebbc ebbs ebcc ebes ebfc ebic ebis ebus ecbc ecbe eccb eccc ecce ecci ecef eces ecfc ecfs ecib ecip ecis ecpp ecsc ecse ecsp ecss ecsu ecus 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 epub epus esbs escb esce esci escs escu esee eses esfp esfs esie esis espc espe espi espp esps esse essi essp essu esuf esui esus eubc eubi eufc eufi euse fbis fbus fcbs fccf fccp fces fcic fcii fcps fcsc fcup febs fece feeb fees fefc fefe feff fefi feie feis fepc feps fese fess feus 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 fisu fp-c fpcc fscb fscc fsec fsfi fspc fspf fssc fssf fssp fubb fubs fubu fuc- fuci fufc fuff fufu fusc fuse fusi fuss fusu i-be ibcs ibec ibes ibfi ibie ibis ibsf ibss ibus icbc icbp icbs iccb iccc iccf icci iccp iccs iccu icec icee icef ices icfb icis icpc icps icsb icsc icse icsi icsp icss icub icue icup icus iecc ieie iesc iesi iesu ifbb ifcp ifes ific ifis ifps ifsb ifsc ifsp iies iiie iiii iiis iipf iisc iisi iisp iisu iiuc ipcc ipce ipcs ipec ipes ipfc ipie ippc ippf ipsc ipse ipsi ipsp ipss ipus isbe iscc isci iscp iscs iscu iseb isec isee isep ises isfc isfp isic isie isis ispc ispe ispf isps issc isse issf issi issp isss issu isup isus iucc iuce iuef iuiu iupp iuse iuss 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 pesu pfcb pfce pfcs pfff pfic pfis pfps pfui pibb pibi picc pice pici pics picu piep pies piff pifs piip pipe pipi pipp pips pise pisi piss pisu pius ppcc ppci ppcs ppib ppic ppie ppif pppp ppps ppsf ppss psci pscu pseb psec psei psfs psip psis pspi pspp psps pssc psse pu-e pube pubs pubu puce pueu puff puis puiu pupe pupi pups pupu pusi puss puuc s-ib s-ic s-ii sbbs sbcc sbcs sbef sbfc sbic sbse sbsi sbsp sbus scbi sccc scce sccp sccs scec scee scep scfc scfe scfi sci- scic scie scif scip scis scpb scpe scpi scps scsc scsi scsu scub scup se-c se-e se-f se-i se-s se-u sebe sebi sebs sec- secc sece secs secu seeb seec seef seep sees seeu seff sefi seie seif seii seip seis seiu sepe sepi sepp seps sepu sesc sese sesi sess seui sfbc sfcc sfcs sffc sfpc sfss sfsu sibc sibe sibi sibs sibu sicc sice sici sicp sics sicu siec sief sies sife siff sifu sipc sipe sipi sipp sips sisc sise sisi siss sisu siue siui sius spcc spcs speb spec spee spef spes spfc spfs spib spic spie spip spis sppf spps spse spsp spss spue spui spus sscc ssce ssci sscp sscs ssec ssee ssep sses ssfc ssfp ssis sspc sspe sspf ssps sssb sssc sssf sssi ssss sub- subb subi subs suc- succ suci sucs suee sues sueu suf- sufc suff sufi sufs sufu suie suis sup- supe supp sups sus- suse susi susp suss susu suus u-ie ubbe ubbi ubic ubii ubis ubpc ucbc ucci uccp uces ucfb ucpb ucsb ucsc ucsf ucsu uepi uess ufcu uffe ufip ufpb uies uipi uise upbe upci upcs upic upie upis uppc uppe uppp uppu upsc upse upsi upup usbc usbe usbs uscc usce uscf uscs usee usef uses usfc usfi usfs usie usif usip usis uspc uspp usps ussb ussc usse ussf usss ussu usui usus uucp uusi uuuu