-ene -one -yne cccc cccp cccu ccee ccgc ccnc ccne ccnp ccnr ccnu ccny ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrg ccrp ccuc ccup cec- cece ceco cecp ceec cege cego cen- cene ceng ceno ceny ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cern cero cerp cery ceyu cgcc cgcg cger cgro cnco cncp cnep cnrc cnrr coce coco cocp cocu 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 coue coun coup cour couy coyn coyo coyr cpce cpcu cpep cper cpre crcc crce crcr cre- crec cree creg cren creo crep creu crne croc croe cron croo crop cror croy crpc crue crug crun crup cry- cryn cryo cucc cuce cucn cuer cugy cune cuno cunp cuny cuon cupe cupo cupp cupr cure curn curo curr cury cuy- cuyo cuyp cuyr cyc- cycc cyeg cyen cyn- cyne cyno cyon cypc cyre cyun cyy- cyyc cyyn eccc ecce ecco ecne eco- ecog econ ecop ecou ecpg ecpp ecrc ecrr ecru 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 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 erg- ergg ergo erne erno eroc eroe eron eroo erpe errc erre erro eruc erur eryc erye euer euge euny eur- eurc eure euro eury eyec eyen eyer eyey eyne eype eyre eyry eyup eyyr gc-c gccc gcpc gcrg gece geen geep geer gege gegg gego gen- genc gene geng genn geno genu geny geo- geog geon gepe gere gern gero geru gery geue geun geup geyn gggg ggpo ggrn gncc gneu gngc gnoo gnpc gnrc gnrr goce gocr goen goer gogo gon- gone gong gonn gono gonu gony goog goon goop goor gopc gope gopo gopu gore gorg gorn goro gorp gorr gory gou- goug goun goup gour gouy goye gper gpgp gprp grcc grce grec gree greg gren grep greu grey groc grog gron groo grop gror grou groy grpc grrr grue grug grun grur gry- grye gryn guen guep guer guey guge gugg gugu gung gunn guny gure gurg gurn guro gurr guru gury guye guyu gyer gyge gyn- gyne gyng gyno gyor gype gypo gyr- gyre gyrn gyro gyuu n-up nccc nccn nccp nccr nccu ncec ncee ncen ncep ncer ncgr ncnc ncoc ncor ncpc ncrc ncre ncrp ncue necc nece neco necr necy neen neep neer nege nego negp nene neng neno nenu neo- neoc neon neoo nepc nepe nepr nerc nere nero nerr neru nery neuc neue neun neuo neur neuu neuy neye neyg neyn neyo ngen nger ngon ngor ngou ngpc ngur nguu nngn nnnn nnpr noce noco noer nogg nogo non- none nong nonn nono nonu noo- noon nooo noop noor nope nor- norc nore norg norn noro norr nory noun noup nour noye noyo npcc nppc nren nroc nron nrpc nrpn nrrc nuce nucu nuee nuer nunc nune nung 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 ogee ogen oger ogge oggy ogog ogon ogou ogpu ogre ogro ogry ogun onc- once onco one- onec onee oneg oneo onep oner oney onge ongo ongu onne onno onon onor onoy onpg onpu onue onup onur 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 orup oucc ouen ouer ouge oun- oune oung oupe our- oure ourn ouro ouu- ouyr oyce oyee oyen oyer oyeu oyne oyon oyou oyre oyun pccc pcce pcep pcer pcgg pcoe pcpn pcpp pcrc pcre pcun pece peco pecr pecy peec peen peep peer pegg pego pegu pen- penc pene peng penn peno penu peny peon peor peou pepe pepo per- perc pere perg pern pero perp perr peru pery peun peur peyn peyo peyr pgcc pgce pger pgou pgpu pgrc pgup pnec pneu pnon pnpo pnpp pnro pnup 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 poun poup pour pouy poyn poyo poyr ppcc ppen pper pppn pppo pppp pprc ppru ppur ppye prcc prcp pre- prec pree preg pren prep preu prey prnp pro- proc proe prog pron proo prop prou prue pruu pu-e puce pueo puer pueu pugo pugu punc pune pung puno punu puny puoy pupe pupu pupy pur- pure purg puro purp purr puru pury puuc puy- puyo 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 recu recy reen reep rege regn rego regr regu rene reng renn reno renu reny reog reop reou repe repo repp repr repu repy rere rerg rero reru rery reue reup reuu 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 roru rory roue roun roup rouy roye royn rpoe rpon rppn rpyc rrrr rrun ruce ruen ruer ruge rugg runc rune rung runn runo runy ruoy rupe rupp rupy rurc rure ruro rurp ruru ruun ryen ryge ryne ryng rynn ryon rype ryue ryun u-rp uccp ucon ucrc ueno ugcc ugcg ugeo ugep