-ene -one -yne cccc cccp ccee ccgc cche cchp cchy ccnc ccne ccnp ccny ccoc ccpe ccpn ccpp cec- cece ceco cecp ceec cege cego cen- cene ceng ceno ceny ceop cepc cepe ceph cepo cepp cgcc cgcg chce chch chcp chec chee cheh chen chep chey chge chgn chnc chno choc choh chon choo chop choy chpp chy- chyc chyn cnco cncp cnep cnoh coce coch coco cocp coen coep cogh cogo cohn coho con- conc cone cong conn cono cony cooh coon coop cope copg coph copo copp copy coyn coyo cpce cpep cyc- cycc cyeg cyen cygh cyn- cyne cyno cyon cypc cyy- cyyc cyyn eccc ecce ecco eche echo ecne eco- ecog econ ecop ecpg ecpp eeee eeng eeny eeoc egcc egcg egec egee egge eggh eggo eggp eggy eghe eghh egne ego- egon egpe egph egpn egpo egyo ehcc eheh ehen ence ench enco ency enee eneg eneo eney enge engg engo ennc enne enny eno- enoc enoe enon enoy enp- enye enyo eone epcc epch epec epee epen eph- epoc epon eppc eppo eppp eppy eyec eyen eyey eyne eype gc-c gccc gcpc gece geen geep gege gegg gego gehn gen- genc gene geng genn geno geny geo- geog geon gepe geyn gggg gghg ggpo ghee gheg ghey ghon gncc gngc gnoo gnpc goce goch goen gogh gogo gon- gone gong gonn gono gony goog goon goop gopc gope gopo goye gpgp gyge gyn- gyne gyng gyno gype gypo hccc hcch hcgh hcng hcpc hech heeg heep hege hegg hegh hego hehe hehn heho hene heng henh henn heno hepc hepe hepp heye heyh heyn hggc hhgg hhhh hhpc hnce hnny hoce hoch hocn hoen hoey hoge hogg hogh hogo hohe hohn hoho hone hong hono hony hooe hoon hoop hope hopo hopp hopy hoye hpcc hpgp hppe hyce hyen hygh hyhe hyne hyng hyo- hyon hyp- hype hyph hypo hypy nccc nccn nccp ncec ncee ncen ncep nchc ncnc ncoc ncpc necc nece nech neco necy neen neep nege negh nego negp nehe nene neng nenh neno neo- neoc neon neoo nepc nepe neph neye neyg neyh neyn neyo ngen ngon ngpc nhcc nhnn nhon nngn nnnn noce noch noco nogg nogh nogo nohn noho non- none nong nonn nono noo- noon nooo noop nope noph noye noyo npcc nppc nycc nyce nyco nycy nyen nygh nyhe nyne nyny nyon nypc nype o-eo occc occn oce ocee oche ocon ocpp oec- oecc oeec oen- oeno oeye oeyo ogee ogen ogge oggy ogog ogon ohcc ohee ohen ohey ohho ohne ohno ohoh ohye ohyo onc- once onco one- onec onee oneg oneh oneo onep oney onge ongo onne onno onon onoy onpg ooho oone oooh oooo opec open opep opng opo- opon oppo oppy opye oyce oych oyee oyen oyne oyon pccc pcce pcep pcgg pchp pcoe pcpn pcpp pece pech peco pecy peec peen peep pegg pegh pego pehe peho pen- penc pene peng penh penn peno peny peon pepe pepo peyn peyo pgcc pgce phcc phe- phen phey phno phog phoh phon phoo pnec pnon pnpo pnpp poce poch poco poey poge pogg pogh pogo pogy ponc pone pong pono ponp pony pooh poon poop pop- popc pope popo popp popy poyn poyo ppcc ppen pppn pppo pppp ppye pyce pych pyep pyg- pygg pyn- pyne pyo- pyon pype pypy yccc ycch ycee yche yech yeen yeep yegg yego yehe yenc yene yeng yeoh yeon yepe yepp yeye yeyo yghe ygoe ygon yhen yhon ynce ynch ynge ynne ynoh ynon yoch yoen yogh yogo yohe yohn yoho yone yong yono yoon yoop yopo yopy yoye yoyn yoyo ypcc yyyy