bbbb bbbs bbeb bbet bbpr bbrc bcbc bcbp bcbs bccc bccs bcec bcer bces bcet bcpp bcps bcrs bcru bcsc bcss bctc bcts bcuc bcup bebb bebe becs becu beeb beep beer bees beet berc bere berr bers bert beru bes- bese bess best betc bete bets bett betu beur bpcp bprc bpsu brcb brce breb brec bree brep brer bres bret brrr brrs brsb brsr brst brtc bruc brue brup brus brut bscp bscs bseb bsec bsee bser bses bset bspp bspr bssc bsse bsts bsup btbp btcc btcs btec btps btrc btrt btss bttb btus bubb bube bubs bubu bucc buce bucs bucu buer bueu bupc bups bur- burb bure burp burr burs burt buru busc buse buss bust busu but- bute buts butt buus cbbc cbbs cbcc cbce cbcp cbcr cbcs cbct cbcu cbec cbee cber cbet cbpc cbpp cbre cbrt cbsc cbse cbtc cbus ccbc cccb cccc cccp cccs cccu ccee ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccrt ccsp ccss ccst cctb cctc cctt ccuc ccup ccus ccut cebp cebs cebu cec- cece cecp cecs cect ceeb ceec cees cepc cepe cepp cepr ceps cept cer- cerc cere cerp cers cert cesc cese cesp cesr cess cest cet- cete cetp cets cpbc cpce cpcs cpcu cpeb cpep cper cpps cpre cprs cprt cpsc cpsr cpsu cptp cptr cpts cpus crbc crbu crcc crce crcr cre- creb crec cree crep cres cret creu crpc crps crrt crsp crss crst crtc crtp crts crub crue crup crus crut cscb cscc csce cscr cscs csec csee csep cser cset cspb cspc cspe csps cspt csrc csrs csse cssr cstc cstr csts csup csur csus ctbs ctcp ctec ctep ctpp ctps ctrc ctrp ctrs ctsc ctss ctsu ctts cub- cubb cube cubs cucc cuce cuer cues cupe cupp cupr cups curb cure curr curs curt cusb cusp cuss cust cusu cut- cutc cute cuts cutt ebbc ebbr ebbs ebcc eber ebes ebru ebur ebus ecbc ecbe eccb eccc ecce ecct eces ecpp ecrc ecrr ecru ecsc ecse ecsp ecss ecsu ect- ectc ects ecus eecs eeee eees eeps eerc eers eese eetc eete eets eetu epcc epec epee eper epes eppc eppp epps eprb eprp eprs epsc epsp epss epte epub epus erbb erbe ercc erce ercp ereb erec erer eres eret erpe erps errc erre errs erse erst erts ertu erub eruc erur erus esbs escb esce escr escs escu esee eser eses eset espc espe espp esps esse essp esst essu estc este estp estr ests esus etbc etbr etcc etcs etec etee eter etes etre etsu ette ettu eubc euer eur- eurc eure eurt euse pbcc pbrs pbsp pcbc pcbs pccc pcce pccs pcep pcer pcpb pcpp pcps pcrc pcre pcse pcte pcts pece pecr pecs pect peec peep peer pees peet pepe peps per- perc pere perp perr pers pert peru pese pess pest pesu pete petr pets pett peur peut ppcc ppcs pper pppp ppps pprc ppru ppss ppts pptt ppur prbc prbs prcc prcp prcs pre- preb prec pree prep pres pret preu prps prrs prsc prse prss prtc prtp prtr prue prus prut pruu psbr psbt pscu pseb psec pspp pspr psps psrp pssc psse psst psts pstu ptcc pter pttc pu-e pube pubs pubu puce puer puet pueu pupe pups pupu pur- purb pure purp purr purs puru puss pust put- pute puts putt putu puuc rbbb rbbr rbbs rbsp rbss rbst rcbc rccb rccc rccs rcep rcet rcps rcpt rcsc rcss rctc rcts rebb rebe rebs rebu recc rece recp recr recs rect recu reeb reep rees reet repe repp repr reps rept repu rere rers rert reru rese resp ress rest rete retr rets rett reue reup reus reut reuu rpcs rpet rpps rpts rrrr rrsp rscc rscs rsee rspb rsps rsre rstp rsts rstu rtcc rtce rtee rtes rtps rtss rttp rtts rubb rube rubp rubs rubu ruce ruct ruer rues ruet rupe rupp rupt rurc rure rurp rurs ruru ruse russ rust rusu rute ruts rutt rutu sbbs sbcc sbcs sbct sber sbse sbsp sbst sbtc sbus sccc scce sccp sccs scct scec scee scep scer scet scpb scpe scps scpt scr- scrc scre scrs scsc scsr scst scsu sctc sctr scts scub scup scur scut se-c se-e se-s se-t se-u sebe sebs sebt sec- secc sece secr secs sect secu seeb seec seep seer sees seet seeu sepe sepp sepr seps sept sepu serb serc sere serp serr sers sert seru sesc sese sess sest set- setc sete sets sett seur spcc spcs speb spec spee sper spes spet spps sprs spse spsp spss spst sptb sptc sptr spts spue spur spus sput srbc srcc srct sreb srec sres srpc srps srpt srsp srtp srtr srub ssbr sscc ssce sscp sscs ssec ssee ssep sses sset sspc sspe ssps sspt ssrc ssrs sssb sssc ssss sstb sstc sstp ssts stbc stbs stcc stcp stcs stcu stec stee step ster stes stet stpp stps strc stre strs stru stss sttc sttr stub stuc stue stup stur stus stut sub- subb subs suc- succ sucr sucs suee suer sues suet sueu sup- supe supp supr sups supt sur- surc sure surp surr surs surt suru sus- suse susp suss sust susu sute sutu suus tbbs tbcb tbcc tbce tbrb tbsp tbst tbtp tcbs tccc tccu tcep tctc tcts tebu tecr tecs tect teec teer tees teet tepe tepp tepu ter- terc tere terp terr ters teru tesc tese tesp tess test tete tetr tets tett tetu teut tpcp tpcs tper tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tree tres tret treu trpc trpe trpp trps trst trtc trte trtr trub truc true trus trut truu tsbc tscc tscp tsec tses tset tsps tspt tsse tssr tsst tstc tsts tsup ttbb ttcp tter ttss tttt tubb tube tubr tubs tubu tucc tuer tues tuet tupe tups tupu turb turc ture turp turr turs turt turu tusc tuss tust tute tuts tutt tutu u-rp ubbe