-ene -one -yne cccc cccp ccee ccnc ccne ccnp ccny ccoc ccpe ccpn ccpp cctc cctt cec- cece ceco cecp cect ceec cen- cene ceno cent ceny ceop cepc cepe cepo cepp cept cet- cete ceto cetp cnco cncp cnep cnet cntc coce coco cocp coct coen coep con- conc cone conn cono cont cony coon coop coot cope copo copp copt copy cotc cote cotn coto cott coty coyn coyo coyt cpce cpep cpnt cptp ctcp ctec cten ctep ctne ctot ctpo ctpp cttn cyc- cycc cyen cyn- cyne cyno cyon cypc cyt- cyte cyto cyy- cyyc cyyn eccc ecce ecco ecct ecne eco- econ ecop ecot ecpp ect- ectc ecto eeee eent eeny eeoc eetc eete ence enco ency enee eneo eney ennc enne enny eno- enoc enoe enon enoy enp- ent- ente ento entp enty enye enyo eone eont eotc eoto epcc epec epee epen epoc epon epot eppc eppo eppp eppy epte etcc etco etec etee eten etne etoe eton etoy ette ettn etto etty eyec eyen eyet eyey eyne eyot eype eyte nccc nccn nccp ncct ncec ncee ncen ncep ncnc ncoc ncpc nctc ncte necc nece neco nect necy neen neep neet nene neno nent neo- neoc neon neoo neot nepc nepe nept net- nete neto nett neye neyn neyo neyt nnnn nnot nntn noce noco noct non- none nonn nono nont noo- noon nooo noop noot nope not- note noto nott noye noyo noyt npcc nppc nptc npte nptn ntcc ntop ntpc ntto nycc nyce nyco nycy nyen nyet nyne nynt nyny nyon nypc nype nypt nytc nyte o-eo occc occn occt oce ocee ocet ocon ocpp oct- octe octo octy oec- oecc oeec oen- oeno oeye oeyo onc- once onco onct one- onec onee oneo onep oney onne onno onon onoy onpt ont- ontc onto oone oont oooo ootp ooty opec open opep opet opo- opon oppo oppy optn opto opye otee oten otep oto- otoe oton otoo otoy otpp otte otto oyce oyee oyen oyne oynt oyon pccc pcce pcep pcnt pcoe pcpn pcpp pcte pece peco pect pecy peec peen peep peet pen- penc pene penn peno pent peny peon pepe pepo pete petn peto pett pety peyn peyo pnec pnet pnon pnot pnpo pnpp poce poco poet poey ponc pone pono ponp pont pony poon poop poot pop- popc pope popo popp popt popy potc pote poto pott poty poyn poyo ppcc ppen pppn pppo pppp pptn pptt ppye ptcc pten ptop pttc pyce pyep pyet pyn- pyne pynt pyo- pyon pyot pype pypy pyte pytt tccc tcep tcnn tcon tcpo tcpy tctc teco tect teec teen teet tenc tene tenn teno tenp tent teon tepe tepp tete teto tett teye teyn tncc to-y toce toco toee toen toet toey tone tonn tono tony toon toot top- tope topo topp topt totc tote toto tott toty toyn toyo toyt tpcp tpon tppp tpte tptp tpyo ttcn ttcp tten tteo ttoe tton ttop ttoy tttt tyce tyco tyee tyen tyet tyne tynt tyny typ- type typo typp typy tyte tyto tytt tyty tyyn yccc ycee yctc yeen yeep yeet yenc yene yent yeon yeot yepe yepp yete yeto yett yeye yeyo ynce ynet ynne ynon ynot yoen yone yono yont yoon yoop yoot yopo yopy yote yott yoye yoyn yoyo ypcc yyyy