-ene -one cccc cccl cccp ccee ccel cclc ccnc ccne ccnp ccnr ccoc ccpe ccpl ccpn ccpp ccpr ccrc ccre ccrl ccrp cec- cece ceco cecp ceec ceel cel- celc cele cell celo cen- cene ceno ceol ceop ceor cepc cepe cepo cepp cepr cer- cerc cere cerl cern cero cerp clec clee cleo clep cler cloe clon cloo clop clor clpp clro cnco cncp cnel cnep cnrc cnrr coce coco cocp coel coen coep col- cole coll coln colo colp con- conc cone conn cono cool coon coop cope copo copp copr cor- corc core corl corn coro corp corr cpce cpep cper cplc cpre crcc crce crcr cre- crec cree cren creo crep crne croc croe crol cron croo crop cror crpc e-cl eccc ecce eccl ecco ecne eco- ecol econ ecop ecpp ecrc ecrl ecrr eeee eele eeoc eerc eero el-p elce elco elec elee elen eleo eler elle ello elne elon elpe elro ence encl enco enee enel eneo ener ennc enne eno- enoc enoe enol enon enp- eole eolo eone eore eorl epcc epec epee epen eper eple epll epln epoc epol epon epor eppc eppo eppp epro eprp ercc erce ercp erec erel eren erer erle erll erne erno eroc eroe erol eron eroo erpe errc erre erro lccc lcce lcer lcor lcpc lcpl lcrl lece leco leel leen leep leer lele lell lelo lene lenn leno leoc leon leor lepe lepo lepp lerc lere lern lero lerp llcc lllc llll lloc lloo lncr lner locc loce locn loco loen lole loll lolo lone lono lonr looc looe lool loon loop loor lope lopp lore lorn loro lpec lppl lprp lrne lroc lron lrrc lrrr nccc nccn nccp nccr ncec ncee ncel ncen ncep ncer nclc ncln nclr ncnc ncoc ncor ncpc ncrc ncre ncrp necc nece neco necr neel neen neep neer nelc nele nell nelo nene neno neo- neoc neol neon neoo nepc nepe nepr nerc nere nerl nero nerr nlcc nlec nler nlpc nlrp nnnn nnpr noce nocl noco noel noer nole noll nolo nolp non- none nonn nono noo- nool noon nooo noop noor nope nor- norc nore norn noro norr npcc nppc nppl nren nroc nron nrpc nrpn nrrc nrrl o-eo occc occn oce ocee oclc ocon ocpp ocre ocrl ocro ocrr oec- oecc oeec oele oen- oeno oere olcc ole- olen oleo oler olle ollo olne olon olor olpc olpe onc- once onco one- onec onee onel oneo onep oner onne onno onon onor oocr ooer oolo oone oooo oore opec opel open opep oper ople opo- opon opor oppo orce orco ore- orec orel oren oreo orer orle orlo ornc orne orno oro- oroe oron oror orpc orpe orro pccc pcce pccl pcep pcer pcll pclo pcoe pcpn pcpp pcrc pcre pcrl pece pecl peco pecr peec peel peen peep peer pel- pele pell pelo pen- penc pene penn peno peon peor pepe pepo per- perc pere perl pern pero perp perr plcc plce ple- plec plee plen pleo ploc plon ploo plop plpp pnec pnln pnnl pnon pnpo pnpp pnro poce poco poel poer pole poll polo ponc pone pono ponp pool poon poop poor pop- popc pope popo popp porc pore porn poro porr ppcc ppen pper pple pplo pppn pppo pppp pprc prcc prcp pre- prec pree prel pren prep prle prlr prnp pro- proc proe prol pron proo prop rccc rcep rcle rcnl rcnr rcon rcpo recc rece recp recr reel reen reep rele rell relo relp rene renn reno reol reop repe repl repo repp repr rere rero rlee rnco rncp rocc roce roco roel roen roer role roll rolo rolp ronc rone rono rool roon roop roor rope ropo rorc rore roro rpoe rpon rppn rrle rrrr