-ene -one -yne cccc cccp cccv ccee ccnc ccne ccnp ccnr ccny ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrp ccvo cec- cece ceco cecp ceec cen- cene ceno ceny ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cern cero cerp cery cevo cevy cnco cncp cnep cnrc cnrr coce coco cocp coen coep con- conc cone conn cono conv cony coon coop cope copo copp copr copy cor- corc core corn coro corp corr cory cove covo covy coyn coyo coyr cpce cpep cper cpre cpvc crcc crce crcr cre- crec cree cren creo crep crne croc croe cron croo crop cror croy crpc cry- cryn cryo cvcc cven cver cvrr cyc- cycc cyen cyn- cyne cyno cyon cypc cyre cyve cyy- cyyc cyyn eccc ecce ecco ecne eco- econ ecop ecpp ecrc ecrr ecrv eeee eeny eeoc eerc eero eery eevn en-v ence enco ency enee eneo ener eney ennc enne enny eno- enoc enoe enon enoy enp- enry envy enye enyo eone eore epcc epec epee epen eper epoc epon epor eppc eppo eppp eppy epro eprp ercc erce ercp erec eren erer erev erne erno eroc eroe eron eroo erpe errc erre erro erve eryc erye even ever evey evoe evon evoo evop evre evry eyec eyen eyer eyey eyne eype eyre eyry eyyr nccc nccn nccp nccr ncec ncee ncen ncep ncer ncnc ncoc ncor ncpc ncrc ncre ncrp necc nece neco necr necy neen neep neer neev nene neno neo- neoc neon neoo nepc nepe nepr nerc nere nero nerr nerv nery neve nevo nevy neye neyn neyo nnnn nnpr noce noco noer non- none nonn nono noo- noon nooo noop noor noov nope nor- norc nore norn noro norr norv nory nov- nove novo novy noye noyo npcc npov nppc nren nroc nron nrpc nrpn nrrc nvcc nycc nyce nyco nycy nyen nyer nyne nyny nyon nypc nype nyro o-eo occc occn oce ocee ocon ocpp ocre ocro ocrr oec- oecc oeec oen- oeno oere oevp oeye oeyo onc- once onco one- onec onee oneo onep oner oney onne onno onon onor onoy 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 orve orvr ovee oven over ovey ovo- ovon ovoo ovpp ovre oyce oyee oyen oyer oyne oyon oyre pccc pcce pcep pcer pcoe pcpn pcpp pcrc pcre pece peco pecr pecy peec peen peep peer peev pen- penc pene penn peno peny peon peor pepe pepo per- perc pere pern pero perp perr perv pery pevy peyn peyo peyr pnec pnon pnpo pnpp pnro poce poco poer poey ponc pone pono ponp pony poon poop poor pop- popc pope popo popp popy porc pore porn poro porr pory povo poyn poyo poyr ppcc ppen pper pppn pppo pppp pprc ppye prcc prcp pre- prec pree pren prep prev prey prnp pro- proc proe pron proo prop prov pvco pyce pyep pyn- pyne pyo- pyon pype pypy pyr- pyre pyro pyry rccc rcep rcnr rcon rcpo rcvr rcyc recc rece recp recr recy reen reep reev rene renn reno reny reop repe repo repp repr repy rere rero rery reve revo revp revy reye reyn rnco rncp rnpv rocc roce roco roen roer roev roey ronc rone rono rony roon roop roor rope ropo ropy rorc rore roro rory rove rovo roye royn rpoe rpon rppn rpyc rrrr rv-c rver ryen ryne rynn ryon rype vcon vecc veen veep veer ven- vene venn veno veny veor vepe vepr ver- vere vern vero very veve vevo vevy veye veyn veyr voce voer vone vonn vooc voor vor- vore voro vory voye vpon vpro vreo vrnn vroc vron vrpn vver vvvv vyce vyer vyne vyny vyre yccc ycee yeen yeep yeer yenc yene yeon yepe yepp yere yern yero yerr yery yeve yeye yeyo yeyr ynce ynne ynon yoen yone yono yoon yoop yopo yopy yore yorn yoro yory yove yoye yoyn yoyo ypcc yren yrne yron yryn yven yver yvon yvor yyyy