-ene -one -ose -yne cccc cccp cccs ccee ccnc ccne ccnp ccns ccny ccoc ccpe ccpn ccpp ccps ccsn ccsp ccss cec- cece ceco cecp cecs ceec cees cen- cene ceno cens ceny ceop ceos cepc cepe cepo cepp ceps cesc cese cesp cess ceys cnco cncp cnep cnes cnss coce coco cocp coen coep coes con- conc cone conn cono cons cony coon coop coos cope copo copp cops copy cosc cose coso cosp coss cosy coyn coyo coys cpce cpcs cpep cpns cpos cpps cpsc cpso cscc csce csco cscs csec csee csep csne csnp csny csos cspc cspe csps csse csys cyc- cycc cycs cyen cyn- cyne cyno cyon cypc cyps cyse cyy- cyyc cyyn eccc ecce ecco eces ecne eco- econ ecop ecos ecpp ecsc ecse ecsp ecss eecs eeee eees eens eeny eeoc eeps eese eesy ence enco encs ency enee eneo enes eney ennc enne enns enny eno- enoc enoe enon enos enoy enp- ense enso enye enyo enys eoes eone eons epcc epec epee epen epes epns epoc epon epos eppc eppo eppp epps eppy epsc epsp epss esce esco escs esee esen eseo eses esne eso- esop esos espc espe espn espo espp esps espy esse esso essp essy esyn eyec eyen eyes eyey eyne eype eyse nccc nccn nccp nccs ncec ncee ncen ncep nces ncnc ncoc ncos ncpc ncsc ncse ncss ncsy necc nece neco necs necy neen neep nees nene neno nens neo- neoc neon neoo neos nepc nepe neps nesc nese nesn neso ness neye neyn neyo neys nnes nnnn nnos nnss noce noco nocs noes non- none nonn nono nons noo- noon nooo noop noos nope nops nos- nose noss nosy noye noyo noys npcc npes nppc npss npsy nscc nscs nsec nsep nsos nspc nsps nssc nsse nsso nssp nsss nycc nyce nyco nycy nyen nyes nyne nyny nyon nypc nype nysc nyse nyss o-eo occc occn oce ocee ocon ocos ocpp ocys oec- oecc oeec oen- oeno oens oeps oese oeye oeyo onc- once onco one- onec onee oneo onep ones oney onne onno onon onos onoy onsc onse onso onys ooes oone oons oooo ooos oops oose opec open opep opes opo- opon opos oppo opps oppy opsy opye oscc osce osco osec osee osen oses osey osno osny osoo osos osse osso ossy osyp oyce oyee oyen oyes oyne oyns oyon oyse oyss pccc pcce pccs pcep pcns pcoe pcos pcpn pcpp pcps pcse pcso pece peco pecs pecy peec peen peep pees pen- penc pene penn peno pens peny peon pepe pepo peps pese peso pess pesy peyn peyo peys pnec pnes pnon pnpo pnpp pnsc poce poco pocs poes poey ponc pone pono ponp pons pony poon poop poos pop- popc pope popo popp pops popy pose posn poso poss posy poyn poyo poys ppcc ppcs ppen ppos pppn pppo pppp ppps ppss ppye psco psec psnc psoc pson psos pspp psps pssc psse psso psy- psys pyce pyep pyes pyn- pyne pyo- pyon pyos pype pypy pyse pyss s-os sccc scce sccp sccs sccy scec scee scep scey scon scoo scop scpe scpo scps scsc scsn scso scye scyn se-c se-e se-n se-o se-s se-y sec- secc sece secn seco secs secy seec seen seep sees seey sene senn seno sens seny seoc seon seop sepe sepn sepo sepp seps sesc sese seso sess seye seyn seys sncc snco sncp snee snep snes snns snoc snoo snop snos snpo snpp snsy snye snys soce soco socs socy soec soen soeo soep soes son- sone sono sons sony soon soop soos sooy sope sopo sopp sops sopy sose soso soss soye soyo soys spcc spco spcs spec spee spen spes spey spne spns spoc spon spoo spop spos spoy spps spse spso spsp spss spy- spys sscc ssce sscp sscs ssec ssee ssep sses ssns ssoc ssop sspc sspe sspo ssps sssc ssss syce syco syen syes syn- sync syne syns syny syon sype sypo syse syso syss yccc ycee yeen yeep yees yenc yene yens yeon yeos yepe yepp yeps yeso yess yeye yeyo ynce ynes ynne ynon yoen yone yono yons yoon yoop yopo yopy yoso yoye yoyn yoyo ypcc ysco ysee ysen yses ysnp yson ysop ysse yyyy