-ene -yne cccc cccp ccee cche cchp cchr cchy ccnc ccne ccnp ccnr ccny ccpe ccpn ccpp ccpr ccrc ccre ccrp cec- cece cecp ceec cen- cene ceny cepc cepe ceph cepp cepr cer- cerc cere cern cerp cery chce chch chcp chec chee cheh chen chep cher chey chnc chnr chpp chpr chrc chrn chrp chrr chy- chyc chyn cncp cnep cnrc cnrr cpce cpep cper cpre crcc crce crcr cre- crec cree creh cren crep crne crpc cry- cryn cyc- cycc cyen cyn- cyne cypc cyre cyy- cyyc cyyn eccc ecce eche ecne ecpp ecrc ecrr eeee eeny eerc eery ehcc eheh ehen eher ehre ence ench ency enee ener eney ennc enne enny enp- enry enye epcc epch epec epee epen eper eph- eppc eppp eppy eprp ercc erce erch ercp erec eren erer erhc erne erpe errc erre eryc erye eyec eyen eyer eyey eyne eype eyre eyry eyyr hccc hcch hcpc hcrp hech heep heer hehe hehn hene henh henn hepc hepe hepp herc here hern herp herr hery heye heyh heyn heyr hhhh hhpc hnce hnny hpcc hppe hree hrpc hrpp hrrc hyce hyen hyer hyhe hyne hyp- hype hyph hypy hyre nccc nccn nccp nccr ncec ncee ncen ncep ncer nchc ncnc ncpc ncrc ncre ncrp necc nece nech necr necy neen neep neer nehe nene nenh nepc nepe neph nepr nerc nere nerr nery neye neyh neyn nhcc nhnn nhrc nhrp nnnn nnpr npcc nppc nren nrpc nrpn nrrc nycc nyce nycy nyen nyer nyhe nyne nyny nypc nype pccc pcce pcep pcer pchp pcpn pcpp pcrc pcre pece pech pecr pecy peec peen peep peer pehe pehr pen- penc pene penh penn peny pepe per- perc pere perh pern perp perr pery peyn peyr phcc phe- phen phey phrr pnec pnpp ppcc ppen pper pppn pppp pprc ppye prcc prcp pre- prec pree pren prep prey prnp pyce pych pyep pyn- pyne pype pypy pyr- pyre pyry rccc rcep rcnr rcyc recc rece rech recp recr recy reen reep rehe rehn rene renn reny repe repp repr repy rere rery reye reyn rhce rhcp rhee rhen rhye rncp rppn rpyc rrrr rych ryeh ryen ryne rynn rype yccc ycch ycee yche yech yeen yeep yeer yehe yehr yenc yene yepe yepp yere yern yerr yery yeye yeyr yhen yher ynce ynch ynne ypcc yren yrne yryn yyyy