-ene -yne cccc cccp cccs cccu ccee ccnc ccne ccnp ccnr ccns ccnu ccny ccpe ccpn ccpp ccpr ccps ccrc ccre ccrp ccrs ccsn ccsp ccss ccuc ccup ccus cec- cece cecp cecs ceec cees cen- cene cens ceny cepc cepe cepp cepr ceps cer- cerc cere cern cerp cers cery cesc cese cesp cesr cess ceys ceyu cncp cnep cnes cnrc cnrr cnss cpce cpcs cpcu cpep cper cpns cpps cpre cprs cpsc cpsr cpsu cpus crcc crce crcr cre- crec cree cren crep cres creu crne crns crpc crps crsp crss crue crun crup crus cry- cryn crys cscc csce cscr cscs csec csee csep cser csne csnp csny cspc cspe csps csrc csrs csse cssr csup csur csus csys cucc cuce cucn cuer cues cune cunp cuny cupe cupp cupr cups cure curn curr curs cury cusp cuss cusu cusy cuy- cuyp cuyr cyc- cycc cycs cyen cyn- cyne cypc cyps cyre cyrs cyse cyun cyy- cyyc cyyn eccc ecce eces ecne ecpp ecrc ecrr ecru ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eens eeny eeps eerc eers eery eese eesy ence encs ency enee ener enes eney ennc enne enns ennu enny enp- enrs enry ense ensu enue enur enus enye enys epcc epec epee epen eper epes epns eppc eppp epps eppy eprp eprs epsc epsp epss epus ercc erce ercp erec eren erer eres erne erns erpe erps errc erre errs erse eruc erur erus eryc erye esce escr escs escu esee esen eser eses esne espc espe espn espp esps espy esse essp essu essy esus esyn euer euny eur- eurc eure eury euse eyec eyen eyer eyes eyey eyne eype eyre eyry eyse eyup eyyr n-up nccc nccn nccp nccr nccs nccu ncec ncee ncen ncep ncer nces ncnc ncpc ncrc ncre ncrp ncsc ncse ncss ncsy ncue necc nece necr necs necy neen neep neer nees nene nens nenu nepc nepe nepr neps nerc nere nerr ners neru nery nesc nese nesn nesr ness neuc neue neun neur neuu neuy neye neyn neys nnes nnnn nnpr nnss npcc npes nppc npss npsy nrcs nren nrpc nrpn nrps nrrc nrsc nrsp nscc nscs nsec nsep nser nsnr nspc nsps nsrc nssc nsse nssp nssr nsss nuce nucs nucu nuee nuer nunc nune nunn nuns nuny nupe nups nurc nure nurn nurp nurr nurs nuru nuse nuss nusu nusy nuys nycc nyce nycy nyen nyer nyes nyne nyny nypc nype nysc nyse nyss pccc pcce pccs pcep pcer pcns pcpn pcpp pcps pcrc pcre pcse pcun pece pecr pecs pecy peec peen peep peer pees pen- penc pene penn pens penu peny pepe peps per- perc pere pern perp perr pers peru pery pese pess pesu pesy peun peur peyn peyr peys pnec pnes pneu pnpp pnsc pnup ppcc ppcs ppen pper pppn pppp ppps pprc ppru ppss ppur ppye prcc prcp prcs pre- prec pree pren prep pres preu prey prnp prps prrs prsc prse prss prue prus pruu prys pscu psec psnc psnr pspp pspr psps psrp pssc psse psy- psys pu-e puce puer pueu punc pune puns punu puny pupe pups pupu pupy pur- pure purp purr purs puru pury puss puuc puy- puys pyce pyep pyes pyn- pyne pype pypy pyr- pyre pyry pyse pyss rccc rccs rcep rcnr rcps rcsc rcss rcyc recc rece recp recr recs recu recy reen reep rees rene renn rens renu reny repe repp repr reps repu repy rere rers reru rery rese resn resp ress reue reup reus reuu reye reyn reys rncp rncs rnsp rpcs rppn rpps rpyc rrrr rrsp rrun rscc rscn rscs rscy rsee rsnn rsnr rsps rsre ruce ruen ruer rues runc rune runn runs runy rupe rupp rupy rurc rure rurp rurs ruru ruse russ rusu rusy ruun ruys ryen ryes ryne rynn rype rysy ryue ryun sccc scce sccp sccs sccy scec scee scep scer scey scnr scpe scps scr- scrc scre scrn scrs scry scsc scsn scsr scsu scun scup scur scye scyn se-c se-e se-n se-s se-u se-y sec- secc sece secn secr secs secu secy seec seen seep seer sees seeu seey sene senn senr sens seny sepe sepn sepp sepr seps sepu serc sere sern serp serr sers seru sery sesc sese sess seur seye seyn seys sncc sncp snee snep sner snes snns snpp snrs snsy snur snus snye snys spcc spcs spec spee spen sper spes spey spne spns spps sprs spry spse spsp spss spue spun spur spus spy- spyr spys srcc srec sres srnn srpc srps srsp sscc ssce sscp sscs ssec ssee ssep sses ssns sspc sspe ssps ssrc ssrs sssc ssss suc- succ sucr sucs suee suen suer sues sueu suey sun- sune sunn suns sunu suny sup- supe supp supr sups supy sur- surc sure surn surp surr surs suru sury sus- suse susp suss susu susy suus suyn suyr suyu syce sycr syen syer syes syn- sync syne syns synu syny sype syre syrs syry syse syss syue syun u-rp uccp uces ucrc ucsc ucsu uers uesn uess ueys uncc unce uncp uncs unec unee unen uner unes unne unns unpc unps unrs uns- unsc unus upcs upen upne upnp uppc uppe uppp uppu uppy upsc upse upsy upup urcy ure- ures urey urne urns urre urry urse urss ursu ursy urun urup urur urus uryn uscc usce uscs usee usen user uses usnc usnr usnu uspc uspp usps ussc usse ussr usss ussu ussy usun usus uucp uuen uuuu uuyn uyre yccc ycee ye-u yeen yeep yeer yees yenc yene yens yepe yepp yeps yere yern yerr yers yery yess yesu yeue yeun yeye yeyr ynce ynes ynne ypcc yren yrne yrun yryn ysee ysen yser yses ysnp ysse yssu ysue yuce yuen yuer yune yuns yuny yups yure yurn yury yuye yuyu yyyy