-ene -yne bbbb bbbs bbeb bbrc bcbc bcbs bccc bccs bcec bcer bces bcnu bcrs bcru bcsc bcsn bcss bcuc bebb bebe beby becs becu beeb been beer bees beey bene benn bens benu berc bere bern berr bers beru bery bes- bese bess besy beur beye beyn beys bner bnrr bnss brcb brce breb brec bree bren brer bres brey brns brrr brrs brsb brsr bruc brue brun brus bry- brye bryn 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 bury busc buse buss busu busy buus buys buyu byce byen byer byes bync byre byrn bysb byse byss bysy byun cbbc cbbs cbcc cbce cbcn cbcr cbcs cbcu cbec cbee cber cbre cbrn cbry cbsc cbse cbsn cbus ccbc ccbn cccb cccc cccs cccu ccee ccnb ccnc ccne ccnr ccns ccnu ccny ccrc ccre ccrs ccsn ccss ccuc ccus cebs cebu cec- cece cecs ceeb ceec cees cen- cene cens ceny cer- cerc cere cern cers cery cesc cese cesr cess ceys ceyu cnbc cnes cnrc cnrr cnss crbc crbu crcc crce crcr cre- creb crec cree cren cres creu crne crns crss crub crue crun crus cry- cryb cryn crys cscb cscc csce cscr cscs csec csee cser csne csny csrc csrs csse cssr csur csus csys cub- cubb cube cubs cuby cucc cuce cucn cuer cues cune cuny curb cure curn curr curs cury cusb cuss cusu cusy cuy- cuyr cybb cybc cyc- cycb cycc cycs cyen cyn- cyne cyre cyrs cyse cyun cyy- cyyc cyyn ebbc ebbr ebbs ebby ebcc eben eber ebes ebru ebur ebus ecbc ecbe eccb eccc ecce eces ecne ecrc ecrr ecru ecsc ecse ecss ecsu ecus eeby eecs eeee eees eens eeny eerc eers eery eese eesy enb- enbn enbr enby ence encs ency enee ener enes eney ennc enne enns ennu enny enrs enry ense ensu enue enur enus enye enys erbb erbe ercc erce ereb erec eren erer eres erne erns errc erre errs erse erub eruc erur erus eryc erye esbs escb esce escr escs escu esee esen eser eses esne esse essu essy esus esyn eubc euer euny eur- eurc eure eury euse eyeb eyec eyen eyer eyes eyey eyne eyre eyry eyse eyyr nbbc nbcc nbcs nber ncbc ncbs nccc nccn nccr nccs nccu ncec ncee ncen ncer nces ncnc ncrc ncre ncsc ncse ncss ncsy ncue nebb nebe nebn nebr nebs nebu necc nece necr necs necy neeb neen neer nees nene nens nenu nerc nere nerr ners neru nery nesb nesc nese nesn nesr ness neuc neue neun neur neuu neuy neye neyn neys nnes nnnn nnss nrcs nren nrrc nrsc nscc nscs nseb nsec nser nsnr nsrc nssb nssc nsse nssr nsss nsub nubc nube nubs nuby nuce nucs nucu nuee nuer nunc nune nunn nuns nuny nurc nure nurn nurr nurs nuru nuse nuss nusu nusy nuys nycc nyce nycy nyen nyer nyes nyne nyny nyrb nysc nyse nyss rbbb rbbr rbbs rbss rcbc rccb rccc rccs rcnr rcsc rcss rcyc rebb rebe rebs rebu recc rece recr recs recu recy reeb reen rees rene renn rens renu reny rere rers reru rery rese resn ress reue reus reuu reye reyn reys rnbr rncs rrrr rrun rscc rscn rscs rscy rsee rsnn rsnr rsre rubb rube rubs rubu ruby ruce ruen ruer rues runc rune runn runs runy rurc rure rurs ruru ruse russ rusu rusy ruun ruys rybe ryeb ryen ryes ryne rynn rysy ryue ryun sbbs sbcc sbcs sber sbse sbus sccc scce sccs sccy scec scee scer scey scnr scr- scrc scre scrn scrs scry scsc scsn scsr scsu scub scun scur scye scyn se-c se-e se-n se-s se-u se-y sebe sebs seby sec- secc sece secn secr secs secu secy seeb seec seen seer sees seeu seey sene senn senr sens seny serb serc sere sern serr sers seru sery sesc sese sess seur seye seyn seys sncc sneb snee sner snes snns snrs snsy snub snur snus snye snys srbc srby srcc sreb srec sres srnn srub ssbn ssbr ssby sscc ssce sscs ssec ssee sses ssns ssrc ssrs sssb sssc ssss sub- subb subs suc- succ sucr sucs suee suen suer sues sueu suey sun- sunb sune sunn suns sunu suny sur- surc sure surn surr surs suru sury sus- suse suss susu susy suus suyn suyr suyu syce sycr syen syer syes syn- sync syne syns synu syny syre syrs syry syse syss syue syun ubbe uber ucbc uces ucrc ucsb ucsc ucsu uers uesn uess ueys unbe uncc unce uncs uneb unec unee unen uner unes unne unns unrs uns- unsc unus urbe urbs urcy ure- ures urey urne urns urre urry urse urss ursu ursy urun urur urus uryn usbc usbe usbr usbs uscc usce uscs usee usen user uses usnc usnr usnu ussb ussc usse ussr usss ussu ussy usun usus uuen uuuu uuyn uyre ybbs yben yber ybry yccc ycee ycsb ye-u yeen yeer yees yenc yene yens yerb yere yern yerr yers yery yess yesu yeue yeun yeye yeyr ynce ynes ynne yren yrne yrun yryn ysby ysee ysen yser yses ysse yssu ysue ysyb yubu yuce yuen yuer yune yuns yuny yure yurn yury yuye yuyu yyyy