-ene -one cccc cccp ccee cche cchp cchr ccnc ccne ccnp ccnr ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrp cec- cece ceco cecp ceec cen- cene ceno ceop ceor cepc cepe ceph cepo cepp cepr cer- cerc cere cern cero cerp chce chch chcp chec chee cheh chen chep cher chnc chno chnr choc choh chon choo chop chor chpp chpr chrc chrn chro chrp chrr cnco cncp cnep cnoh cnrc cnrr coce coch coco cocp coen coep cohn coho con- conc cone conn cono cooh coon coop cope coph copo copp copr cor- corc core corn coro corp corr cpce cpep cper cpre crcc crce crcr cre- crec cree creh cren creo crep crne croc croe croh cron croo crop cror crpc eccc ecce ecco eche echo ecne eco- econ ecop ecpp ecrc ecrr eeee eeoc eerc eero ehcc eheh ehen eher ehre ence ench enco enee eneo ener ennc enne eno- enoc enoe enon enp- eone eore epcc epch epec epee epen eper eph- epoc epon epor eppc eppo eppp epro eprp ercc erce erch ercp erec eren erer erhc erne erno eroc eroe eron eroo erpe errc erre erro hccc hcch hcpc hcrp hech heep heer hehe hehn heho hene henh henn heno heor hepc hepe hepp herc here hern hero herp herr hhhh hhpc hnce hoce hoch hocn hocr hoen hoer hohe hohn hoho hone hono hooe hoon hoop hoor hope hopo hopp horc hore horn horo horr hpcc hppe hree hron hrpc hrpp hrrc nccc nccn nccp nccr ncec ncee ncen ncep ncer nchc ncnc ncoc ncor ncpc ncrc ncre ncrp necc nece nech neco necr neen neep neer nehe nene nenh neno neo- neoc neon neoo nepc nepe neph nepr nerc nere nero nerr nhcc nhnn nhon nhrc nhrp nnnn nnpr noce noch noco noer nohn noho non- none nonn nono noo- noon nooo noop noor nope noph nor- norc nore norn noro norr npcc nppc nren nroc nron nrpc nrpn nrrc o-eo occc occn oce ocee oche ocon ocpp ocre ocro ocrr oec- oecc oeec oen- oeno oere ohcc ohee ohen oher ohho ohne ohno ohoh ohre ohrn onc- once onco one- onec onee oneh oneo onep oner onne onno onon onor oocr ooer ooho oone oooh oooo oore opec open opep oper opo- opon opor oppo orce orch orco ore- orec oreh oren oreo orer orhe ornc orne orno oro- oroe oron oror orpc orpe orph orro pccc pcce pcep pcer pchp pcoe pcpn pcpp pcrc pcre pece pech peco pecr peec peen peep peer pehe peho pehr pen- penc pene penh penn peno peon peor pepe pepo per- perc pere perh pern pero perp perr phcc phe- phen phno phoh phon phoo phrr pnec pnon pnpo pnpp pnro poce poch poco poer ponc pone pono ponp pooh poon poop poor pop- popc pope popo popp porc pore porn poro porr ppcc ppen pper pppn pppo pppp pprc prcc prcp pre- prec pree pren prep prnp pro- proc proe pron proo prop rccc rcep rcnr rcon rcpo recc rece rech recp recr reen reep rehe rehn rene renn reno reop repe repo repp repr rere rero rhce rhcp rhee rhen rheo rhoc rhoh rhon rnco rncp rocc roce roch roco roen roer rohe rohn rohr ronc rone rono roon roop roor rope ropo rorc rore roro rpho rpoe rpon rppn rrrr