-ene -yne cccc cccp cccs ccee ccnc ccne ccnp ccns ccny ccpe ccpn ccpp ccps ccsn ccsp ccss cec- cece cecp cecs ceec cees cen- cene cens ceny cepc cepe cepp ceps cesc cese cesp cess ceys cncp cnep cnes cnss cpce cpcs cpep cpns cpps cpsc cscc csce cscs csec csee csep csne csnp csny cspc cspe csps csse csys cyc- cycc cycs cyen cyn- cyne cypc cyps cyse cyy- cyyc cyyn eccc ecce eces ecne ecpp ecsc ecse ecsp ecss eecs eeee eees eens eeny eeps eese eesy ence encs ency enee enes eney ennc enne enns enny enp- ense enye enys epcc epec epee epen epes epns eppc eppp epps eppy epsc epsp epss esce escs esee esen eses esne espc espe espn espp esps espy esse essp essy esyn eyec eyen eyes eyey eyne eype eyse nccc nccn nccp nccs ncec ncee ncen ncep nces ncnc ncpc ncsc ncse ncss ncsy necc nece necs necy neen neep nees nene nens nepc nepe neps nesc nese nesn ness neye neyn neys nnes nnnn nnss npcc npes nppc npss npsy nscc nscs nsec nsep nspc nsps nssc nsse nssp nsss nycc nyce nycy nyen nyes nyne nyny nypc nype nysc nyse nyss pccc pcce pccs pcep pcns pcpn pcpp pcps pcse pece pecs pecy peec peen peep pees pen- penc pene penn pens peny pepe peps pese pess pesy peyn peys pnec pnes pnpp pnsc ppcc ppcs ppen pppn pppp ppps ppss ppye psec psnc pspp psps pssc psse psy- psys pyce pyep pyes pyn- pyne pype pypy pyse pyss sccc scce sccp sccs sccy scec scee scep scey scpe scps scsc scsn scye scyn se-c se-e se-n se-s se-y sec- secc sece secn secs secy seec seen seep sees seey sene senn sens seny sepe sepn sepp seps sesc sese sess seye seyn seys sncc sncp snee snep snes snns snpp snsy snye snys spcc spcs spec spee spen spes spey spne spns spps spse spsp spss spy- spys sscc ssce sscp sscs ssec ssee ssep sses ssns sspc sspe ssps sssc ssss syce syen syes syn- sync syne syns syny sype syse syss yccc ycee yeen yeep yees yenc yene yens yepe yepp yeps yess yeye ynce ynes ynne ypcc ysee ysen yses ysnp ysse yyyy