-ene -one -yne cccc cccp ccee ccgc ccnc ccne ccnp ccnr ccny ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrg ccrp cec- cece ceco cecp ceec cege cego cen- cene ceng ceno ceny ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cern cero cerp cery cgcc cgcg cger cgro cnco cncp cnep cnrc cnrr coce coco cocp coen coep cogo con- conc cone cong conn cono cony coon coop cope copg copo copp copr copy cor- corc core corg corn coro corp corr cory coyn coyo coyr cpce cpep cper cpre crcc crce crcr cre- crec cree creg cren creo crep crne croc croe cron croo crop cror croy crpc cry- cryn cryo cyc- cycc cyeg cyen cyn- cyne cyno cyon cypc cyre cyy- cyyc cyyn eccc ecce ecco ecne eco- ecog econ ecop ecpg ecpp ecrc ecrr eeee eeng eeny eeoc eerc eerg eero eery egcc egcg egcr egec egee eger egge eggo eggp eggy egne ego- egon egor egpe egpn egpo egre egry egyo egyr ence enco ency enee eneg eneo ener eney enge engg engo engr ennc enne enny eno- enoc enoe enon enoy enp- enry enye enyo eone eore epcc epec epee epen eper epoc epon epor eppc eppo eppp eppy epro eprp ercc erce ercp erec eren erer erg- ergg ergo erne erno eroc eroe eron eroo erpe errc erre erro eryc erye eyec eyen eyer eyey eyne eype eyre eyry eyyr gc-c gccc gcpc gcrg gece geen geep geer gege gegg gego gen- genc gene geng genn geno geny geo- geog geon gepe gere gern gero gery geyn gggg ggpo ggrn gncc gngc gnoo gnpc gnrc gnrr goce gocr goen goer gogo gon- gone gong gonn gono gony goog goon goop goor gopc gope gopo gore gorg gorn goro gorp gorr gory goye gper gpgp gprp grcc grce grec gree greg gren grep grey groc grog gron groo grop gror groy grpc grrr gry- grye gryn gyer gyge gyn- gyne gyng gyno gyor gype gypo gyr- gyre gyrn gyro nccc nccn nccp nccr ncec ncee ncen ncep ncer ncgr ncnc ncoc ncor ncpc ncrc ncre ncrp necc nece neco necr necy neen neep neer nege nego negp nene neng neno neo- neoc neon neoo nepc nepe nepr nerc nere nero nerr nery neye neyg neyn neyo ngen nger ngon ngor ngpc nngn nnnn nnpr noce noco noer nogg nogo non- none nong nonn nono noo- noon nooo noop noor nope nor- norc nore norg norn noro norr nory noye noyo npcc nppc nren nroc nron nrpc nrpn nrrc 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 oeye oeyo ogee ogen oger ogge oggy ogog ogon ogre ogro ogry onc- once onco one- onec onee oneg oneo onep oner oney onge ongo onne onno onon onor onoy onpg oocr ooer oone oooo oore oory opec open opep oper opng opo- opon opor oppo oppy opry opye orce orco ore- orec oreg oren oreo orer orey orge orgn orgo orgy ornc orne orno orny oro- oroe oron oror oroy orpc orpe orro orry oyce oyee oyen oyer oyne oyon oyre pccc pcce pcep pcer pcgg pcoe pcpn pcpp pcrc pcre pece peco pecr pecy peec peen peep peer pegg pego pen- penc pene peng penn peno peny peon peor pepe pepo per- perc pere perg pern pero perp perr pery peyn peyo peyr pgcc pgce pger pgrc pnec pnon pnpo pnpp pnro poce poco poer poey poge pogg pogo pogy ponc pone pong pono ponp pony poon poop poor pop- popc pope popo popp popy porc pore porg porn poro porr pory poyn poyo poyr ppcc ppen pper pppn pppo pppp pprc ppye prcc prcp pre- prec pree preg pren prep prey prnp pro- proc proe prog pron proo prop pyce pyep pyg- pygg pyn- pyne pyo- pyon pype pypy pyr- pyre pyro pyry rccc rcep rcgc rcnr rcon rcpo rcrg rcyc recc rece recp recr recy reen reep rege regn rego regr rene reng renn reno reny reog reop repe repo repp repr repy rere rerg rero rery reye reyn rnco rncp rocc roce roco roeg roen roer roey roge rogg rogo rogy ronc rone rong rono rony roog roon roop roor rope ropo ropy rorc rore roro rory roye royn rpoe rpon rppn rpyc rrrr ryen ryge ryne ryng rynn ryon rype yccc ycee yeen yeep yeer yegg yego yenc yene yeng yeon yepe yepp yere yern yero yerr yery yeye yeyo yeyr ygoe ygon ygor ynce ynge ynne ynon yoen yogo yone yong yono yoon yoop yopo yopy yore yorn yoro yory yoye yoyn yoyo ypcc yren yrne yron yryn yyyy