bbbb bbbs bbeb bblb bbls bbpr bbrc bcbc bcbp bcbs bccc bccl bccs bcec bcer bces bcpl bcpp bcps bcrs bcru bcsc bcsl bcss bcuc bcup bebb bebe becs becu beeb beel beep beer bees bele bell belp bels belu berc bere berr bers beru bes- bese bess beur blcu bleb blee bles bleu blls blrc blsp blss blub blue blup blur blus bpcp bpel bprc bpsu brcb brce breb brec bree brel brep brer bres brlp brls brrr brrs brsb brsr bruc brue brup brus bscp bscs bseb bsec bsee bser bses bslc bspp bspr bssc bsse bsup bubb bube bubs bubu bucc buce bucs bucu buel buer bueu bulb bule bull buls bulu bupc bups bur- burb bure burl burp burr burs buru busc buse buss busu buus cbbc cbbs cbcc cbce cbcl cbcp cbcr cbcs cbcu cbec cbee cber cblb cblc cbpc cbpp cbre cbrl cbsc cbse cbus ccbc cccb cccc cccl cccp cccs cccu ccee ccel cclc ccls ccpe ccpl ccpp ccpr ccps ccrc ccre ccrl ccrp ccrs ccsl ccsp ccss ccuc ccup ccus cebp cebs cebu cec- cece cecp cecs ceeb ceec ceel cees cel- celc cele cell cels cepc cepe cepp cepr ceps cer- cerc cere cerl cerp cers cesc cese cesp cesr cess clec clee clep cler cles cleu clpb clpp clrs clsc club clue cpbc cpce cpcs cpcu cpeb cpep cper cplc cpls cpps cpre cprs cpsc cpsl cpsr cpsu cpus crbc crbu crcc crce crcr cre- creb crec cree crep cres creu crls crpc crps crsp crss crub crue crup crus cscb cscc csce cscl cscr cscs csec csee csep cser cslp cslr cslu cspb cspc cspe csps csrc csrs csse cssr csup csur csus cub- cubb cube cubs cucc cuce cuer cues culb culc cule cull culp culs cupe cupl cupp cupr cups curb cure curl curr curs cusb cusp cuss cusu e-cl ebbc ebbr ebbs ebcc ebel eber ebes ebru ebul ebur ebus ecbc ecbe eccb eccc ecce eccl eces ecpp ecrc ecrl ecrr ecru ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eele eels eeps eerc eers eese el-b el-p elbe elbu elcb elce elec elee eler eles elle ells ellu elpe else elsu elue elul elus epcc epec epee eper epes eple epll eppc eppp epps eprb eprp eprs epsc epsp epss epub epus erbb erbe ercc erce ercp ereb erec erel erer eres erle erll erpe erps errc erre errs erse erub eruc erur erus esbs escb esce escr escs escu esee esel eser eses eslp espc espe espp esps esse essl essp essu esus eubc euer eule eur- eurc eure euse lbcc lblr lbrs lbsc lcbc lccc lcce lccs lcer lces lcls lcpc lcpl lcps lcrl lcrs lcsc lcsp lcsr le-u lebu lece leel leep leer lees lele lell lelu lepe lepp leps lerc lere lerp lese less lesu leuc leur llbs llcc llcs lles lleu lllc llll llps lpec lppl lprp lpsc lpss lrcs lrps lrpu lrrc lrrr lrse ls-r lsbu lscb lscs lses lspl lspr lsrc lssp lssr lube lubs luce lucs luer lues lule lull lulu lupe lupu lure lurs luse luss luup pbcc pblu pbrs pbsp pcbc pcbs pccc pcce pccl pccs pcep pcer pcll pcpb pcpp pcps pcrc pcre pcrl pcse pebl pece pecl pecr pecs peec peel peep peer pees pel- pelb pele pell pels pelu pepe peps per- perc pere perl perp perr pers peru pese pess pesu peul peur plbr plcc plce ple- pleb plec plee ples pleu plpp plss plue plup plur plus ppcc ppcs pper pple pppp ppps pprc ppru ppss ppur prbc prbs prcc prcp prcs pre- preb prec pree prel prep pres preu prle prlr prls prps prrs prsc prse prsl prss prue prus pruu psbr pscu pseb psec psel pspp pspr psps psrp pssc psse pu-e pube publ pubs pubu puce puel puer pueu pule pull pulp puls pulu pupe pupl pups pupu pur- purb pure purl purp purr purs puru puss puuc rbbb rbbr rbbs rbcl rble rbsl rbsp rbss rcbc rccb rccc rccs rcep rcle rcls rcps rcsc rcsl rcss rebb rebe rebs rebu recc rece recp recr recs recu reeb reel reep rees relb rele rell relp rels repe repl repp repr reps repu rere rers reru rese resp ress reue reul reup reus reuu rlcs rlee rleu rlls rpcs rpls rpps rrle rrrr rrsp rscc rscs rsee rslc rslp rspb rsps rsre rssl rubb rube rubp rubs rubu ruce ruel ruer rues rule rull rupe rupp rurc rure rurp rurs ruru ruse russ rusu sbbs sbcc sbcs sber sbse sbsp sbus sccc scce sccl sccp sccs scec scee scel scep scer scl- sclc scls scpb scpe scpl scps scr- scrc scre scrs scsc scsl scsr scsu scub scul scup scur se-c se-e se-s se-u sebe sebs sec- secc sece secr secs secu seeb seec seel seep seer sees seeu selb sele sell sels selu sepe sepp sepr seps sepu serb serc sere serp serr sers seru sesc sese sess seul seur slbp slcc slcu sleb slee slep sler sles sllp slpp slps slrc slre slrp slrs slsc slsu slub sluc slue slup slur spcc spcs speb spec spee spel sper spes splc sple splp splr spls spps sprs spse spsp spss spue spur spus srbc srcc sreb srec sres srpc srps srsp srub ssbr sscc ssce sscp sscs ssec ssee ssep sses sslc ssle sslp sspc sspe sspl ssps ssrc ssrl ssrs sssb sssc ssss sub- subb subl subs suc- succ sucr sucs suee suel suer sues sueu sul- sulc sule sull sulp sulu sup- supe supp supr sups sur- surc sure surp surr surs suru sus- suse susp suss susu suus u-rp ubbe uber uble ubls ubpc ucbc uccp ucel uces ucpb ucrc ucsb ucsc ucsu uele uell uers uess ulbc ulcc uleb ulee ules ulle ullr ulul ulus upbe upcs uplb uppc uppe uppp uppu upsc upse upup urbe urbs ure- ures urle urls urre urse urss ursu urup urur urus usbc usbe usbl usbr