-ene cccc cccp cccs cccu ccee ccnc ccne ccnp ccnr ccns ccnu ccpe ccpn ccpp ccpr ccps ccrc ccre ccrp ccrs ccsn ccsp ccss ccuc ccup ccus cec- cece cecp cecs ceec cees cen- cene cens cepc cepe cepp cepr ceps cer- cerc cere cern cerp cers cesc cese cesp cesr cess 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 cscc csce cscr cscs csec csee csep cser csne csnp cspc cspe csps csrc csrs csse cssr csup csur csus cucc cuce cucn cuer cues cune cunp cupe cupp cupr cups cure curn curr curs cusp cuss cusu eccc ecce eces ecne ecpp ecrc ecrr ecru ecsc ecse ecsp ecss ecsu ecus eecs eeee eees eens eeps eerc eers eese ence encs enee ener enes ennc enne enns ennu enp- enrs ense ensu enue enur enus epcc epec epee epen eper epes epns eppc eppp epps eprp eprs epsc epsp epss epus ercc erce ercp erec eren erer eres erne erns erpe erps errc erre errs erse eruc erur erus esce escr escs escu esee esen eser eses esne espc espe espn espp esps esse essp essu esus euer eur- eurc eure euse n-up nccc nccn nccp nccr nccs nccu ncec ncee ncen ncep ncer nces ncnc ncpc ncrc ncre ncrp ncsc ncse ncss ncue necc nece necr necs neen neep neer nees nene nens nenu nepc nepe nepr neps nerc nere nerr ners neru nesc nese nesn nesr ness neuc neue neun neur neuu nnes nnnn nnpr nnss npcc npes nppc npss 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 nupe nups nurc nure nurn nurp nurr nurs nuru nuse nuss nusu pccc pcce pccs pcep pcer pcns pcpn pcpp pcps pcrc pcre pcse pcun pece pecr pecs peec peen peep peer pees pen- penc pene penn pens penu pepe peps per- perc pere pern perp perr pers peru pese pess pesu peun peur pnec pnes pneu pnpp pnsc pnup ppcc ppcs ppen pper pppn pppp ppps pprc ppru ppss ppur prcc prcp prcs pre- prec pree pren prep pres preu prnp prps prrs prsc prse prss prue prus pruu pscu psec psnc psnr pspp pspr psps psrp pssc psse pu-e puce puer pueu punc pune puns punu pupe pups pupu pur- pure purp purr purs puru puss puuc rccc rccs rcep rcnr rcps rcsc rcss recc rece recp recr recs recu reen reep rees rene renn rens renu repe repp repr reps repu rere rers reru rese resn resp ress reue reup reus reuu rncp rncs rnsp rpcs rppn rpps rrrr rrsp rrun rscc rscn rscs rsee rsnn rsnr rsps rsre ruce ruen ruer rues runc rune runn runs rupe rupp rurc rure rurp rurs ruru ruse russ rusu ruun sccc scce sccp sccs scec scee scep scer scnr scpe scps scr- scrc scre scrn scrs scsc scsn scsr scsu scun scup scur se-c se-e se-n se-s se-u sec- secc sece secn secr secs secu seec seen seep seer sees seeu sene senn senr sens sepe sepn sepp sepr seps sepu serc sere sern serp serr sers seru sesc sese sess seur sncc sncp snee snep sner snes snns snpp snrs snur snus spcc spcs spec spee spen sper spes spne spns spps sprs spse spsp spss spue spun spur spus 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 sun- sune sunn suns sunu sup- supe supp supr sups sur- surc sure surn surp surr surs suru sus- suse susp suss susu suus u-rp uccp uces ucrc ucsc ucsu uers uesn uess 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 upsc upse upup ure- ures urne urns urre urse urss ursu urun urup urur urus uscc usce uscs usee usen user uses usnc usnr usnu uspc uspp usps ussc usse ussr usss ussu usun usus uucp uuen uuuu