-ene -one -yne cccc cccp cccu ccee ccnc ccne ccnp ccnr ccnu ccny ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrp ccuc ccup cec- cece ceco cecp ceec cen- cene ceno ceny ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cern cero cerp cery ceyu cnco cncp cnep cnrc cnrr coce coco cocp cocu coen coep con- conc cone conn cono cony coon coop cope copo copp copr copy cor- corc core corn coro corp corr cory coue coun coup cour couy coyn coyo coyr cpce cpcu cpep cper cpre crcc crce crcr cre- crec cree cren creo crep creu crne croc croe cron croo crop cror croy crpc crue crun crup cry- cryn cryo cucc cuce cucn cuer cune cuno cunp cuny cuon cupe cupo cupp cupr cure curn curo curr cury cuy- cuyo cuyp cuyr cyc- cycc cyen cyn- cyne cyno cyon cypc cyre cyun cyy- cyyc cyyn eccc ecce ecco ecne eco- econ ecop ecou ecpp ecrc ecrr ecru eeee eeny eeoc eerc eero eery ence enco ency enee eneo ener eney ennc enne ennu enny eno- enoc enoe enon enoy enp- enry enue enur enye enyo eone eore epcc epec epee epen eper epoc epon epor eppc eppo eppp eppy epro eprp ercc erce ercp erec eren erer erne erno eroc eroe eron eroo erpe errc erre erro eruc erur eryc erye euer euny eur- eurc eure euro eury eyec eyen eyer eyey eyne eype eyre eyry eyup eyyr n-up nccc nccn nccp nccr nccu ncec ncee ncen ncep ncer ncnc ncoc ncor ncpc ncrc ncre ncrp ncue necc nece neco necr necy neen neep neer nene neno nenu neo- neoc neon neoo nepc nepe nepr nerc nere nero nerr neru nery neuc neue neun neuo neur neuu neuy neye neyn neyo nnnn nnpr noce noco noer non- none nonn nono nonu noo- noon nooo noop noor nope nor- norc nore norn noro norr nory noun noup nour noye noyo npcc nppc nren nroc nron nrpc nrpn nrrc nuce nucu nuee nuer nunc nune nunn nuno nuny nuoc nuon nupe nurc nure nurn nurp nurr nuru nycc nyce nyco nycy nyen nyer nyne nyny nyon nypc nype nyro o-eo occc occn oce ocee ocon ocpp ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere oeye oeyo onc- once onco one- onec onee oneo onep oner oney onne onno onon onor onoy onpu onue onup onur oocr ooer oone oooo oore oory opec open opep oper opo- opon opor oppo oppy opry opye orce orco ore- orec oren oreo orer orey ornc orne orno orny oro- oroe oron oror oroy orpc orpe orro orry orup oucc ouen ouer oun- oune oupe our- oure ourn ouro ouu- ouyr oyce oyee oyen oyer oyeu oyne oyon oyou oyre oyun pccc pcce pcep pcer pcoe pcpn pcpp pcrc pcre pcun pece peco pecr pecy peec peen peep peer pen- penc pene penn peno penu peny peon peor peou pepe pepo per- perc pere pern pero perp perr peru pery peun peur peyn peyo peyr pnec pneu pnon pnpo pnpp pnro pnup poce poco poer poey ponc pone pono ponp pony poon poop poor pop- popc pope popo popp popy porc pore porn poro porr pory poun poup pour pouy poyn poyo poyr ppcc ppen pper pppn pppo pppp pprc ppru ppur ppye prcc prcp pre- prec pree pren prep preu prey prnp pro- proc proe pron proo prop prou prue pruu pu-e puce pueo puer pueu punc pune puno punu puny puoy pupe pupu pupy pur- pure puro purp purr puru pury puuc puy- puyo pyce pyep pyn- pyne pyo- pyon pype pypy pyr- pyre pyro pyry rccc rcep rcnr rcon rcpo rcyc recc rece recp recr recu recy reen reep rene renn reno renu reny reop reou repe repo repp repr repu repy rere rero reru rery reue reup reuu reye reyn rnco rncp rocc roce roco roen roer roey ronc rone rono rony roon roop roor rope ropo ropy rorc rore roro roru rory roue roun roup rouy roye royn rpoe rpon rppn rpyc rrrr rrun ruce ruen ruer runc rune runn runo runy ruoy rupe rupp rupy rurc rure ruro rurp ruru ruun ryen ryne rynn ryon rype ryue ryun u-rp uccp ucon ucrc ueno uncc unce unco uncp unec unee unen uner unne unno unon unop unpc unro uocc uone uor- uore upen upne upnp upon upor uppc uppe uppp uppu uppy upup urcy ure- urey urne uro- uroo urpo urre urry urun urup urur uryn uucp uuen uuno uuoc uuuu uuyn uyre yccc ycee ye-u yeen yeep yeer yenc yene yeon yepe yepp yere yern yero yerr yery yeue yeun yeye yeyo yeyr ynce ynne ynon ynou yoen yone yono yoon yoop yopo yopy yore yorn yoro yory youe youp your yoye yoyn yoyo ypcc yren yrne yron yrun yryn yuce yuen yuer yune yuny yuon yure yurn yury yuye yuyu yyyy