-ene -yne bbbb bbbs bbeb bcbc bcbp bcbs bccc bccs bcec bces bcnu bcpp bcps bcsc bcsn bcss bcuc bcup bebb bebe beby becs becu beeb been beep bees beey bene benn bens benu bes- bese bess besy beye beyn beys bnpp bnss bpcp bpsu bscp bscs bseb bsec bsee bses bsns bspp bssc bsse bsup bubb bube bubs bubu bucc buce bucs bucu buen bueu bunb bune bunn buns bunu bupc bups busc buse buss busu busy buus buys buyu byce byen byes bync bysb byse bysp byss bysy byun cbbc cbbs cbcc cbce cbcn cbcp cbcs cbcu cbec cbee cbpc cbpp cbsc cbse cbsn cbus ccbc ccbn cccb cccc cccp cccs cccu ccee ccnb ccnc ccne ccnp ccns ccnu ccny ccpe ccpn ccpp ccps ccsn ccsp ccss ccuc ccup ccus cebp cebs cebu cec- cece cecp cecs ceeb ceec cees cen- cene cens ceny cepc cepe cepp ceps cesc cese cesp cess ceys ceyu cnbc cnbp cncp cnep cnes cnss cpbc cpce cpcs cpcu cpeb cpep cpnb cpns cpps cpsc cpsu cpus cscb cscc csce cscs csec csee csep csne csnp csny cspb cspc cspe csps csse csup csus csys cub- cubb cube cubs cuby cucc cuce cucn cues cune cunp cuny cupe cupp cups cusb cusp cuss cusu cusy cuy- cuyp cybb cybc cyc- cycb cycc cycs cyen cyn- cyne cypc cyps cyse cyun cyy- cyyc cyyn ebbc ebbs ebby ebcc eben ebes ebus ecbc ecbe eccb eccc ecce eces ecne ecpp ecsc ecse ecsp ecss ecsu ecus eeby eecs eeee eees eens eeny eeps eese eesy enb- enbn enby ence encs ency enee enes eney ennc enne enns ennu enny enp- ense ensu enue enus enye enys epcc epec epee epen epes epns eppc eppp epps eppy epsc epsp epss epub epus esbs escb esce escs escu esee esen eses esne espc espe espn espp esps espy esse essp essu essy esus esyn eubc euny euse eyeb eyec eyen eyes eyey eyne eype eyse eyup n-up nbbc nbcc nbcs nbpp nbps nbsp ncbc ncbs nccc nccn nccp nccs nccu ncec ncee ncen ncep nces ncnc ncpc ncsc ncse ncss ncsy ncue nebb nebe nebn nebs nebu necc nece necs necy neeb neen neep nees nene nens nenu nepc nepe neps nesb nesc nese nesn ness neuc neue neun neuu neuy neye neyn neys nnes nnnn nnss npcc npes nppc npss npsy nscc nscs nseb nsec nsep nspc nsps nssb nssc nsse nssp nsss nsub nubc nube nubs nuby nuce nucs nucu nuee nunc nune nunn nuns nuny nupe nups nuse nuss nusu nusy nuys nycc nyce nycy nyen nyes nyne nyny nypc nype nysc nyse nyss pbcc pbsp pcbc pcbs pccc pcce pccs pcep pcns pcpb pcpn pcpp pcps pcse pcun pece pecs pecy peec peen peep pees pen- penc pene penn pens penu peny pepe peps pese pess pesu pesy peun peyn peys pnec pnes pneu pnpp pnsc pnup ppcc ppcs ppen pppn pppp ppps ppss ppye pscu pseb psec psnc pspp psps pssc psse psy- psys pu-e pube pubs pubu puce pueu punc pune puns punu puny pupe pups pupu pupy puss puuc puy- puys pyce pyep pyes pyn- pyne pype pypy pyse pyss sbbs sbcc sbcs sbse sbsp sbus sccc scce sccp sccs sccy scec scee scep scey scpb scpe scps scsc scsn scsu scub scun scup scye scyn se-c se-e se-n se-s se-u se-y sebe sebs seby sec- secc sece secn secs secu secy seeb seec seen seep sees seeu seey sene senn sens seny sepe sepn sepp seps sepu sesc sese sess seye seyn seys sncc sncp sneb snee snep snes snns snpp snsy snub snus snye snys spby spcc spcs speb spec spee spen spes spey spne spns spps spse spsp spss spue spun spus spy- spys ssbn ssby sscc ssce sscp sscs ssec ssee ssep sses ssns sspc sspe ssps sssb sssc ssss sub- subb subs suc- succ sucs suee suen sues sueu suey sun- sunb sune sunn suns sunu suny sup- supe supp sups supy sus- suse susp suss susu susy suus suyn suyu syce syen syes syn- sync syne syns synu syny sype syse syss syue syun ubbe ubpc ucbc uccp uces ucpb ucsb ucsc ucsu uesn uess ueys unbe uncc unce uncp uncs uneb unec unee unen unes unne unns unpc unps uns- unsc unus upbe upby upcs upen upne upnp uppc uppe uppp uppu uppy upsc upse upsy upup usbc usbe usbs uscc usce uscs usee usen uses usnc usnu uspc uspp usps ussb ussc usse usss ussu ussy usun usus uucp uuen uuuu uuyn ybbs yben yccc ycee ycsb ye-u yeen yeep yees yenc yene yens yepe yepp yeps yess yesu yeue yeun yeye ynce ynes ynne ypcc ysby ysee ysen yses ysnp ysse yssu ysue ysyb yubu yuce yuen yune yuns yuny yups yuye yuyu yyyy