-ene bbbb bbbs bbeb bbrc bbwc bbwr bbws bcbc bcbs bccc bccs bcec bcer bces bcnu bcrs bcru bcsc bcsn bcss bcuc bebb bebe becs becu beeb been beer bees bene benn bens benu berc bere bern berr bers beru bes- bese bess beur bewe bner bnrr bnss brcb brce brcw breb brec bree bren brer bres brew brns brrr brrs brsb brsr bruc brue brun brus brwe bscs bseb bsec bsee bser bses bsns bssc bsse bubb bube bubs bubu bucc buce bucs bucu buen buer bueu bunb bune bunn buns bunu bur- burb bure burn burr burs buru busc buse buss busu buus buwe cbbc cbbs cbcc cbce cbcn cbcr cbcs cbcu cbec cbee cber cbre cbrn cbsc cbse cbsn cbus ccbc ccbn cccb cccc cccs cccu ccee ccnb ccnc ccne ccnr ccns ccnu ccrc ccre ccrs ccsn ccss ccuc ccus cebs cebu cec- cece cecs ceeb ceec cees cen- cene cens cer- cerc cere cern cers cesc cese cesr cess cewe cnbc cnes cnrc cnrr cnss crbc crbu crcc crce crcr cre- creb crec cree cren cres creu crew crne crns crss crub crue crun crus cscb cscc csce cscr cscs csec csee cser csne csrc csrs csse cssr csur csus csws cub- cubb cube cubs cucc cuce cucn cuer cues cune curb cure curn curr curs cusb cuss cusu cuws cweb cwer cwrw ebbc ebbr ebbs ebbw ebcc eben eber ebes ebru ebur ebus ecbc ecbe eccb eccc ecce eces ecne ecrc ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eens eerc eers eese enb- enbn enbr enbw ence encs enee ener enes enew ennc enne enns ennu enrs ense ensu enue enur enus erbb erbe ercc erce ereb erec eren erer eres erew erne erns errc erre errs erse erub eruc erur erus erws esbs escb esce escr escs escu esee esen eser eses esne esse essu esus eswc esws eubc euer eur- eurc eure euse euwe ewen ewer ewes ewew ewre nbbc nbcc nbcs nber ncbc ncbs nccc nccn nccr nccs nccu ncec ncee ncen ncer nces ncew ncnc ncrc ncre ncsc ncse ncss ncue ncwc ncwe nebb nebe nebn nebr nebs nebu necc nece necr necs neeb neen neer nees nene nens nenu nerc nere nerr ners neru nesb nesc nese nesn nesr ness nesw neuc neue neun neur neuu new- newb newe news nnes nnnn nnss nrcs nren nrrc nrsc nscc nscs nseb nsec nser nsew nsnr nsrc nssb nssc nsse nssr nsss nsub nswr nubc nube nubs nuce nucs nucu nuee nuer nunc nune nunn nuns nurc nure nurn nurr nurs nuru nuse nuss nusu nusw nuwe nwbn nwbw nwss rbbb rbbr rbbs rbss rcbc rccb rccc rccs rcnr rcsc rcss rebb rebe rebs rebu recc rece recr recs recu reeb reen rees rene renn rens renu rere rers reru rese resn ress reue reus reuu rewe rews rnbr rncs rrrr rrun rscc rscn rscs rsee rsnn rsnr rsre rubb rube rubs rubu ruce ruen ruer rues runc rune runn runs rurc rure rurs ruru ruse russ rusu ruun ruwe rwcs sbbs sbcc sbcs sber sbse sbus sbwr sccc scce sccs scec scee scer scew scnr scr- scrc scre scrn scrs scsc scsn scsr scsu scub scun scur scwe se-c se-e se-n se-s se-u se-w sebe sebs sec- secc sece secn secr secs secu seeb seec seen seer sees seeu seew sene senn senr sens serb serc sere sern serr sers seru sesc sese sess seur sewe sewn sewr sews sewu sncc sneb snee sner snes snew snns snrs snub snur snus srbc srcc sreb srec sres srnn srub ssbn ssbr sscc ssce sscs ssec ssee sses ssns ssrc ssrs sssb sssc ssss ssws sub- subb subs suc- succ sucr sucs suee suen suer sues sueu sun- sunb sune sunn suns sunu sur- surc sure surn surr surs suru sus- suse suss susu suus suwe suwu swbc swbs swbw swcc sweb swee swen swer swne swre swss swuc ubbe uber ucbc uces ucrc ucsb ucsc ucsu uers uesn uess uewe unbe uncc unce uncs uneb unec unee unen uner unes unne unns unrs uns- unsc unus urbe urbs ure- ures urne urns urre urse urss ursu urun urur urus usbc usbe usbr usbs uscc usce uscs usee usen user uses usnc usnr usnu ussb ussc usse ussr usss ussu usun usus uuen uuuu uwec uwer wbbb wbbe wbbn wbbr wbbs wbbw wbcb wbce wbcn wbcr wbcu wbcw wbeb wbec wben wber wbes wbew wbnb wbnc wbnr wbns wbnw wbrb wbrc wbrn wbrr wbrs wbru wbrw wbsb wbsc wbsr wbss wbsu wbsw wbuc wbus wbuw wbwb wbwc wbwn wcbc wcbe wcbr wcbs wcbu wcbw wccb wccc wcce wccn wccr wccs wccu wccw wceb wcec wcee wcer wcnc wcnn wcnr wcns wcnu wcnw wcrb wcrc wcre wcrn wcrr wcrs wcru wcrw wcsb wcsc wcsn wcsr wcss wcsu wcsw wcub wcue wcur wcuw wcwb wcwc wcwn webb webc webe webn webs wecb wecc wecn wecr wecs wecu wecw weeb weec ween weer wees weeu wenc wene wenn wenr wens wenu wer- werb werc were wern werr wers werw wesb wesc wese wesn wesr wess wesu weuc wewc wewe wewn wnbb wnbc wnbn wnbr wnbs wnbu wnbw wncb wncc wncn wncr wncu wncw wneb wnec wnee wner wnes wneu wnew wnnc wnne wnnr wnns wnnw wnrn wnrr wnrs wnrw wnsb wnsc wnse wnsn wnsr wnss wnsw wnus wnuw wnwc wnwn wnwr wnws wnww wrbb wrbc wrbe wrbn wrbs wrbu wrbw wrcb wrce wrcr wrcs wrcw wreb wrec wree wren wrer wrew wrnb wrne wrnn wrnr wrns wrnw wrrb wrrc wrre wrrn wrrs wrrw wrsb wrsc wrse wrsn wrsr wrss wrsw wrub wruc wrus wrwb wrwc wrwn wrwr wsbb wsbc wsbr wsbs wsbu wsbw wscb wscc wscn wscr wscs wscw wseb wsen wses wsew wsnc wsnn wsnr wsnw wsrb wsrc wsre wsrn wsrs wsru wsrw wssc wssr wsss wssu wssw wsuc wsue wsun wsur wsus wsuw wswb wswn wswr wsws wsww wubb wubr wubu wucs wucw wuec wunc wune wunr wunw wur- wurb wurc