-ene -one cccc cccp cccu ccee ccnc ccne ccnp ccnr ccnu ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrp ccuc ccup cec- cece ceco cecp ceec ceke cen- cene ceno ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cern cero cerp ckck ckco cken cker cknc ckoc ckoo ckor ckpc ckpr ckrc cnco cncp cnep cnrc cnrr coce cock coco cocp cocu coen coep cok- coke coko con- conc cone conk conn cono cook coon coop cope copo copp copr cor- corc core cork corn coro corp corr coue couk coun coup cour cpce cpcu cpep cper cpre crcc crce crcr cre- crec cree cren creo crep creu crkc crkp crne croc croe crok cron croo crop cror crpc crue cruk crun crup cucc cuce cuck cucn cuek cuer cuk- cuke cune cuno cunp cuon cupe cupo cupp cupr cure curn curo curr eccc ecce ecco ecko ecne eco- econ ecop ecou ecpp ecrc ecrr ecru eeee eeke eeoc eerc eero ekco ekek eken eker ekne ekpe ekpo ekur ence enco enee eneo ener enke enkr ennc enne ennu eno- enoc enoe enon enp- enue enur eone eore epcc epec epee epen eper epoc epon epor eppc eppo eppp epro eprp ercc erce ercp erec eren erer erke erne erno eroc eroe eron eroo erpe errc erre erro eruc erur euer eur- eurc eure euro kccc kcck kccr kccu kcec kcee kceo kcep kceu kckc kckk kckn kcko kckr kcno kcnp kcnr kcoe kcon kcor kcou kcpc kcpn kcpo kcpr kcpu kcrc kcrn kcro kcrp kcrr kcru kcue kcuk kcup keck keco kecr keek keen keep keer kekc keke keko keku ken- kene kenk kenn keno kenr kenu keok keon kep- kepc kepe kepn kepu ker- kerc kere kerk kern kero kerp kerr keru keun keup keur kkck kkcn kkco kkcr kken kkkk kkne kknn kkno kknu kkon kkoo kkor kkpc kkpk kkpn kkrc kkre kkrk kkrn kkro kkrr kkup kkuu knce knck kncn knco kncr kncu knec knee knek knen kneo knep kneu knkk knnk knnr knoc knoe knok knon knop knor knou knpc knpr knrk knro knue knuk knur kock kocn kocp koen kokc koke kokk kokn koko kokp kokr koku konc kone konk kono konp kooc kook koon kooo koop koor koou kope kopn kopp kopr kopu korc kore kork korn koro korr koru koue kour kouu kpcc kpcr kpek kper kpke kpkk kpkr kpnc kpne kpno kpnp kpoc kpoe kpok kpoo kpop kpou kppc kppk kppo kppp kppr kprc kpre kprk kprn kpro kprp kprr kpru kpur krcc krce krcn krco krcu krec kree krek kren kreo kreu krkc krke krkk krkn krko krkr krku krne krnk krnn krno krnp krnu kroc kroe krok kroo krop kror krpr krpu krrc krre krrk krrn krro krrr kruc krue kruk krun krup krur kucc kuce kuco kucp kucr kuek kuen kueu kuke kukk kukn kuku kunc kune kunk kuno kunp kunr kunu kuok kuon kuoo kuop kupe kupr kupu kure kurk kuro kurr kuru kuuk kuur kuuu n-up nccc nccn nccp nccr nccu ncec ncee ncen ncep ncer ncnc ncoc ncor ncpc ncrc ncre ncrp ncue ncuk necc nece neck neco necr neen neep neer neke neko neku nene neno nenu neo- neoc neon neoo nepc nepe nepr nerc nere nerk nero nerr neru neuc neue neuk neun neuo neur neuu nkok nkor nnnn nnpr noce nock noco noer noke noko non- none nonn nono nonu noo- nook noon nooo noop noor nope nor- norc nore nork norn noro norr noun noup nour npcc nppc nren nroc nron nrpc nrpn nrrc nuce nuck nucu nuee nuer nuke nuku nunc nune nunk nunn nuno nuoc nuon nupe nurc nure nurn nurp nurr nuru nuuk o-eo occc occn oce ocee ocke ocon ocpp ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere okcu oken oker okko okno okok okon okor okpe okpo okre okro okun okur onc- once onco one- onec onee onek oneo onep oner onkp onne onno onon onor onpu onue onup onur oocr ooer ooku oone oooo oore opec open opep oper opo- opon opor oppo orce orco ore- orec orek oren oreo orer orke orko ornc orne orno oro- oroe orok oron oror orpc orpe orro orup oucc ouen ouer oun- oune oupe our- oure ourn ouro ouu- pccc pcce pcep pcer pcoe pcpn pcpp pcrc pcre pcun pece peck peco pecr peec peek peen peep peer peke pekk peko pen- penc pene penk penn peno penu peon peor peou pepe pepo per- perc pere perk pern pero perp perr peru peun peur pnec pneu pnkp pnon pnpo pnpp pnro pnup poce pock poco poer poke poko poku ponc pone ponk pono ponp pook poon poop poor pop- popc pope popo popp porc pore pork porn poro porr pouk poun poup pour ppcc ppen pper pppn pppo pppp pprc ppru ppur prcc prcp pre- prec pree prek pren prep preu prnp pro- proc proe pron proo prop prou prue pruu pu-e puce puck pueo puer pueu puke puku punc pune punk puno punu pupe pupu pur- pure puro purp purr puru puuc rccc rcep rcnr rcon rcpo recc rece reck recp recr recu reek reen reep reke reko rene renk renn reno renu reop reou repe repo repp repr repu rere rero reru reue reuk reup reuu rnco rncp rocc roce rock roco roen roer roke rokk roko rokr roku ronc rone ronk rono rook roon roop roor rope ropo rorc rore rork roro roru roue rouk roun roup rpoe rpon rppn rrrr rrun ruce ruck ruen ruer ruke rukk rukn ruku runc rune runk runn runo ruok rupe rupp rurc rure ruro rurp ruru ruun u-rp uccp ucon ucrc ueno ukcc ukek ukeu ukko uknc ukok ukon ukrc ukup ukur uncc unce unco uncp unec unee unen uner unke unkn unko unne unno unon unop unpc unro uocc uoke uone uor- uore upen upne upnp upon upor uppc uppe uppp uppu upup ure- urke urne uro- urok uroo urpo urre uruk