-ene bbbb bbbs bbdd bbeb bbrc bcbc bcbs bccc bccs bcde bcds bcec bcer bces bcnu bcrs bcru bcsc bcsn bcss bcuc bd-r bdbc bddc bdes bdsd bebb bebe becs becu bede beds bedu beeb beed been beer bees bend bene benn bens benu berc berd bere bern berr bers beru bes- bese bess beur bner bnrr bnss brcb brce brds breb brec bred bree bren brer bres brns brrr brrs brsb brsr bruc brud brue brun brus bsbd bscs bseb bsec bsed bsee bser bses bsnd bsns bsrd bssc bssd bsse bubb bube bubs bubu bucc buce bucs bucu budb budd bude buds budu buen buer bueu bunb bund bune bunn buns bunu bur- burb burd bure burn burr burs buru busc buse buss busu buus c-cd cbbc cbbs cbcc cbce cbcn cbcr cbcs cbcu cbdb cbdc cbdn cbds cbec cbee cber cbnd cbrd cbre cbrn cbsc cbse cbsn cbus ccbc ccbn cccb cccc cccs cccu ccdc ccdn ccdr ccds cced ccee ccnb ccnc ccne ccnr ccns ccnu ccrc ccre ccrs ccsd ccsn ccss ccuc ccus cd-e cd-r cdcs cddb cddr cdec cder cdes cdnb cdnc cdre cdrs cdss cebs cebu cec- cece cecs cedd cede cedu ceeb ceec cees cen- cend cene cens cer- cerc cerd cere cern cers cesc cese cesr cess cnbc cndd cnes cnrc cnrr cnss crbc crbu crcc crce crcr crdc cre- creb crec cred cree cren cres creu crne crns crss crub crud crue crun crus cscb cscc cscd csce cscr cscs csdb csdn csdr csec csee cser csne csrc csrd csrs cssd csse cssr csur csus cub- cubb cube cubs cucc cuce cucn cude cuds cued cuer cues cund cune curb curd cure curn curr curs cusb cusd cuss cusu dbcc dbcs dbrn dbrs dbss dbus dcbc dccb dccc dccs dccu dcdb dcds dcns dcsc dcss dddd ddes ddrc ddre ddss ddub debe debs debu dec- decc decd dece decs dedd dede dedu deeb deed deen deer dees dene denn dens denu der- derb derc dere dern derr ders des- desc dese dess desu deue deur deus dnce dncs dner dnrc dnsc dnus drbc dred dree dren dres drrs drub drue drus druu dsbc dscc dscn dscr dscs dsdr dsrc dsrr dssc dssn dub- dubb dubc dube dubs dubu duce ducs dudd dude duds dudu duer dues dunc dune dunn duns dure durn duru duse duur ebbc ebbr ebbs ebcc ebed eben eber ebes ebru ebur ebus ecbc ecbe eccb eccc ecce ecdc eced eces ecne ecrc ecrr ecru ecsc ecse ecss ecsu ecus eddc edde edds ede- eden eder edes edns edrn edru edss educ edun edur eecs eede eedu eeee eees eend eens eerc eers eese enb- enbn enbr ence encs end- ende ends endu ened enee ener enes ennc enne enns ennu enrs ense ensu enue enur enus erbb erbe ercc erce erde erds ereb erec ered eren erer eres erne erns errc erre errs erse erub eruc erur erus esbs escb esce escr escs escu esds esdu esee esen eser eses esne esrd esse essu esus eubc eucd eude euer eur- eurc eure euse nbbc nbcc nbcs nber ncbc ncbs nccc nccn nccr nccs nccu ncdc ncdn ncdr ncds ncdu ncec nced ncee ncen ncer nces ncnc ncnd ncrc ncre ncsc ncse ncss ncue ndcc ndcs nddb ndde nder ndrc ndre ndss nebb nebe nebn nebr nebs nebu necc nece necr necs nedc nedd nede neds nedu neeb need neen neer nees nend nene nens nenu nerc nerd nere nerr ners neru nesb nesc nese nesn nesr ness neuc neue neun neur neuu nndb nnes nnnn nnss nrcs nrdc nrds nren nrrc nrrd nrsc nscc nscd nscs nsds nseb nsec nser nsnr nsrc nsrd nssb nssc nsse nssr nsss nsub nubc nube nubs nuce nucs nucu nudc nudd nude nuee nuer nunc nune nunn nuns nurc nurd nure nurn nurr nurs nuru nuse nuss nusu rbbb rbbr rbbs rbds rbsd rbss rcbc rccb rccc rccs rcdc rcde rcds rcnr rcrd rcsc rcsd rcss rder rebb rebe rebs rebu recc recd rece recr recs recu redc redd rede redr reds redu reeb reed reen rees rend rene renn rens renu rerd rere rers reru rese resn ress reue reus reuu rnbr rncs rndc rnds rred rrrr rrun rscc rscn rscs rsdd rsds rsee rsnn rsnr rsre rubb rube rubs rubu ruce rudd rude ruds rued ruen ruer rues runc rund rune runn runs rurc rurd rure rurs ruru ruse russ rusu ruud ruun sbbs sbcc sbcs sbds sber sbsd sbse sbus sccc scce sccs scdc scds scec scee scer scnd scnr scr- scrc scre scrn scrs scsc scsd scsn scsr scsu scub scud scun scur sdcc sddc sdds sder sdes sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-n se-s se-u sebe sebs sec- secc secd sece secn secr secs secu sede seds seeb seec seed seen seer sees seeu send sene senn senr sens serb serc serd sere sern serr sers seru sesc sese sess seur sncc sneb sned snee sner snes snns snrs snsd snub snur snus srbc srcc srde sreb srec sres srnn srsd srub ssbn ssbr sscc ssce sscs ssdc ssdd ssec ssee sses ssns ssrc ssrs sssb sssc ssss sub- subb subd subs suc- succ sucr sucs sudd sude suds sued suee suen suer sues sueu sun- sunb sund sune sunn suns sunu sur- surc surd sure surn surr surs suru sus- susd suse suss susu suus ubbe uber ubud ucbc ucdc ucdd uces ucrc ucsb ucsc ucsd ucsu udbc udds uden uder udsd udun uend uers uesn uess unbd unbe uncc unce uncs unde unds uneb unec uned unee unen uner unes unne unns unrs uns- unsc unus urbe urbs urde urds urdu ure- ured ures urne urns urre urse urss ursu urun urur urus usbc usbe usbr usbs uscc usce uscs usdc usde usds used usee usen user uses usnc usnr usnu ussb ussc usse ussr usss ussu usun usus uuen uuuu