-ene -yne cccc cccp cccu ccee ccgc ccnc ccne ccnp ccnu ccny ccpe ccpn ccpp ccuc ccup cec- cece cecp ceec cege cen- cene ceng ceny cepc cepe cepp ceyu cgcc cgcg cncp cnep cpce cpcu cpep cucc cuce cucn cugy cune cunp cuny cupe cupp cuy- cuyp cyc- cycc cyeg cyen cyn- cyne cypc cyun cyy- cyyc cyyn eccc ecce ecne ecpg ecpp eeee eeng eeny egcc egcg egec egee egge eggp eggy egne egpe egpn ence ency enee eneg eney enge engg ennc enne ennu enny enp- enue enye epcc epec epee epen eppc eppp eppy euge euny eyec eyen eyey eyne eype eyup gc-c gccc gcpc gece geen geep gege gegg gen- genc gene geng genn genu geny gepe geue geun geup geyn gggg gncc gneu gngc gnpc gpgp guen guep guey guge gugg gugu gung gunn guny guye guyu gyge gyn- gyne gyng gype gyuu n-up nccc nccn nccp nccu ncec ncee ncen ncep ncnc ncpc ncue necc nece necy neen neep nege negp nene neng nenu nepc nepe neuc neue neun neuu neuy neye neyg neyn ngen ngpc nguu nngn nnnn npcc nppc nuce nucu nuee nunc nune nung nunn nuny nupe nycc nyce nycy nyen nyne nyny nypc nype pccc pcce pcep pcgg pcpn pcpp pcun pece pecy peec peen peep pegg pegu pen- penc pene peng penn penu peny pepe peun peyn pgcc pgce pgpu pgup pnec pneu pnpp pnup ppcc ppen pppn pppp ppye pu-e puce pueu pugu punc pune pung punu puny pupe pupu pupy puuc puy- pyce pyep pyg- pygg pyn- pyne pype pypy uccp ugcc ugcg ugep ugne ugny uguu uncc unce uncg uncp unec unee unen ungp ungu unne unpc upen upne upnp uppc uppe uppp uppu uppy upup uucp uuen uuuu uuyn yccc ycee ye-u yeen yeep yegg yenc yene yeng yepe yepp yeue yeun yeye ygun ynce ynge ynne ynug ypcc yuce yuen yugg yugu yune yung yuny yuye yuyu yyyy