-ene -one -yne cccc cccp ccee cche cchp cchy ccnc ccne ccnp ccny ccoc ccpe ccpn ccpp cec- cece ceco cecp ceec cen- cene ceno ceny ceop cepc cepe ceph cepo cepp chce chch chcp chec chee cheh chen chep chey chnc chno choc choh chon choo chop choy chpp chy- chyc chyn cnco cncp cnep cnoh coce coch coco cocp coen coep cohn coho con- conc cone conn cono cony cooh coon coop cope coph copo copp copy coyn coyo cpce cpep cyc- cycc cyen cyn- cyne cyno cyon cypc cyy- cyyc cyyn eccc ecce ecco eche echo ecne eco- econ ecop ecpp eeee eeny eeoc ehcc eheh ehen ence ench enco ency enee eneo eney 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 hccc hcch hcpc hech heep hehe hehn heho hene henh henn heno hepc hepe hepp heye heyh heyn hhhh hhpc hnce hnny hoce hoch hocn hoen hoey hohe hohn hoho hone hono hony hooe hoon hoop hope hopo hopp hopy hoye hpcc hppe hyce hyen hyhe hyne 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 nehe nene nenh neno neo- neoc neon neoo nepc nepe neph neye neyh neyn neyo nhcc nhnn nhon nnnn noce noch noco nohn noho non- none nonn nono noo- noon nooo noop nope noph noye noyo npcc nppc nycc nyce nyco nycy nyen nyhe nyne nyny nyon nypc nype o-eo occc occn oce ocee oche ocon ocpp oec- oecc oeec oen- oeno oeye oeyo ohcc ohee ohen ohey ohho ohne ohno ohoh ohye ohyo onc- once onco one- onec onee oneh oneo onep oney onne onno onon onoy ooho oone oooh oooo opec open opep opo- opon oppo oppy opye oyce oych oyee oyen oyne oyon pccc pcce pcep pchp pcoe pcpn pcpp pece pech peco pecy peec peen peep pehe peho pen- penc pene penh penn peno peny peon pepe pepo peyn peyo phcc phe- phen phey phno phoh phon phoo pnec pnon pnpo pnpp poce poch poco poey ponc pone pono ponp pony pooh poon poop pop- popc pope popo popp popy poyn poyo ppcc ppen pppn pppo pppp ppye pyce pych pyep pyn- pyne pyo- pyon pype pypy yccc ycch ycee yche yech yeen yeep yehe yenc yene yeoh yeon yepe yepp yeye yeyo yhen yhon ynce ynch ynne ynoh ynon yoch yoen yohe yohn yoho yone yono yoon yoop yopo yopy yoye yoyn yoyo ypcc yyyy