-ene bbbb bbbs bbcm bbeb bbrc bcbc bcbs bccc bccm bccs bcec bcer bces bcms bcnu bcrs bcru bcsc bcsm bcsn bcss bcuc bebb bebe becs becu beeb beem been beer bees beme bemu bene benn bens benu berc bere berm bern berr bers beru bes- bese besm bess beur bmce bmus bner bnrr bnss brcb brce breb brec bree brem bren brer bres brmc brns brrm brrr brrs brsb brsr bruc brue brum brun brus bscs bseb bsec bsee bser bses bsms bsns bsrm bssc bsse bssm bubb bube bubs bubu bucc buce bucs bucu buem buen buer bueu bum- bumb bums bunb bune bunn buns bunu bur- burb bure burm burn burr burs buru busc buse buss busu buus cbbc cbbs cbcc cbce cbcm cbcn cbcr cbcs cbcu cbec cbee cber cbme cbms cbre cbrm cbrn cbsc cbse cbsm cbsn cbus ccbc ccbn cccb cccc cccm cccs cccu ccee ccmb ccmc ccmm ccms ccnb ccnc ccne ccnm ccnr ccns ccnu ccrc ccre ccrs ccsn ccss ccuc ccus cebs cebu cec- cece cecm cecs ceeb ceec ceem cees cemb ceme cemm cemr cems cemu cen- cene cens cer- cerc cere cern cers cesc cese cesr cess cmbc cmbs cmcc cmcs cmec cmes cmmb cmmc cmmn cmms cmrn cmrr cmrs cmsc cmse cmsn cmus cnbc cnbm cnes cnrc cnrr cnss crbc crbu crcc crce crcr cre- creb crec cree crem cren cres creu crmb crmn crms crne crns crss crub crue crum crun crus csbm cscb cscc csce cscr cscs csec csee csem cser csmc csmu csne csrc csrs csse cssm cssr csum csur csus cub- cubb cube cubs cucc cuce cucm cucn cuer cues cum- cume cums cune curb cure curn curr curs cusb cuss cusu ebbc ebbr ebbs ebcc eben eber ebes ebru ebur ebus ecbc ecbe eccb eccc ecce eccm ecem eces ecne ecrc ecrm ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eems eens eerc eers eese embe embr embs emcc emcn emcs emen emer emes emeu emme emms emmu emne emre emrs emse emus enb- enbn enbr ence encs enee enem ener enes ennc enne enns ennu enrs ense ensu enue enum enur enus erbb erbe ercc erce ereb erec erem eren erer eres ermc erme erms erne erns errc erre errs erse erub eruc erum erur erus esbs escb esce escm escr escs escu esee esem esen eser eses esme esmr esne esse essu esus eubc euer eumc eums eur- eurc eure euse mbbs mbcs mbes mbms mbrs mbus mcbc mccc mces mcmc mcrc mcse mcss mebe mec- mecc mece mecr mecs meem meen meer mees memc meme memr mems memu men- menc mene menn mens menu mer- merb merc mere merm mern mers meru mes- mesc mese mesr mess meum meus mmcc mmcm mmcs mmen mmes mmmc mmmm mmms mmrc mmsc mmse mmsu mmun mmus mnbb mnem mnse mr-c mrbb mrbm mrbs mrcb mrcc mrce mrcs mreb mree mren mres mrmc mrnc mrrc mrsc mrse mscc msce msec msee msem msmb msmc msmm msms msmu msrb mssm mssr msun msus mube mubs muc- mucc muce mucu muee mues mume mumm mums mumu munc mune munn muns munu murc mure murn murr murs muru musc muse muss musu nbbc nbcc nbcs nber ncbc ncbs nccc nccn nccr nccs nccu ncec ncee ncem ncen ncer nces ncmm ncnc ncrc ncre ncsc ncse ncss ncue nebb nebe nebn nebr nebs nebu necc nece necr necs neeb neem neen neer nees nem- neme nemn nems nemu nene nens nenu nerc nere nerm nerr ners neru nesb nesc nese nesn nesr ness neuc neue neum neun neur neuu nm-e nmmc nmrc nnes nnmc nnnn nnss nrcs nrem nren nrrc nrsc nsbm nscc nscs nseb nsec nsem nser nsmb nsmc nsnr nsrc nssb nssc nsse nssr nsss nsub nubc nube nubs nuce nucs nucu nuee nuer numb nume numm nums numu nunc nune nunn nuns nurc nure nurn nurr nurs nuru nuse nuss nusu rbbb rbbr rbbs rbms rbss rcbc rccb rccc rccs rcms rcnr rcsc rcss rebb rebe rebs rebu recc rece recm recr recs recu reeb reem reen rees reme remn rems rene renn rens renu rere rers reru rese resn ress reue reus reuu rmbs rmsc rnbr rncs rrmc rrrr rrum rrun rscc rscn rscs rsee rsme rsnn rsnr rsre rsum rubb rube rubs rubu ruce ruen ruer rues rumb rume rumm rums runc rune runn runs rurc rure rurs ruru ruse russ rusu ruun sbbs sbcc sbcs sber sbmc sbse sbus sccc scce sccm sccs scec scee scer scmc scmm scms scnr scr- scrc scre scrn scrs scsc scsn scsr scsu scub scum scun scur se-c se-e se-n se-s se-u sebe sebs sec- secc sece secn secr secs secu seeb seec seem seen seer sees seeu semc seme semn sems semu sene senn senr sens serb serc sere serm sern serr sers seru sesc sese sess seur smbc smbe smcc smeb smec smee smen smnc smsc smsn smss smur smus sncc sneb snee sner snes snns snrs snub snum snur snus srbc srcc sreb srec srem sres srmc srnn srub ssbn ssbr sscc ssce sscs ssec ssee ssem sses ssmc ssns ssrc ssrm ssrs sssb sssc sssm ssss sub- subb subm subs suc- succ sucr sucs suee suen suer sues sueu sum- sume sums sumu sun- sunb sune sunn suns sunu sur- surc sure surn surr surs suru sus- suse suss susu suum suus ubbe uber ucbc uces ucmc ucrc ucsb ucsc ucsm ucsu uers uesn uess umb- umbe umec umer umes umms umsu umus unbe uncc unce uncs uneb unec unee unen uner unes unmc unmr unne unns unrs uns- unsc unum unus urbe urbs ure- ures urne urns urre urse urss ursu urum urun urur urus usbc usbe usbr usbs uscc usce uscm uscs usee usen user uses usmc usme usmm usms usnc usnr usnu ussb ussc usse ussr usss ussu usun usus uuen uuuu