-ene cccc cccm cccp ccee ccgc ccmc ccmm ccmp ccnc ccne ccnm ccnp ccnr ccpe ccpm ccpn ccpp ccpr ccrc ccre ccrg ccrp cec- cece cecm cecp ceec ceem cege ceme cemm cemp cemr cen- cene ceng cepc cepe cepp cepr cer- cerc cere cern cerp cgcc cgcg cger cgmc cgmp cgpm cmcc cmec cmmc cmmn cmpc cmpg cmpp cmrn cmrr cncp cnep cnrc cnrr cpce cpcm cpep cper cpme cpmp cppm cpre cprm crcc crce crcr cre- crec cree creg crem cren crep crmn crmp crne crpc eccc ecce eccm ecem ecmp ecne ecpg ecpm ecpp ecrc ecrm ecrr eeee eeng eerc eerg egcc egcg egcr egec egee egem eger egge eggp egne egpe egpm egpn egre emcc emcn emen emer emme emne empc empe empg emre ence enee eneg enem ener enge engg engr ennc enne enp- epcc epec epee epen eper epgm eppc eppp eprp ercc erce ercp erec erem eren erer erg- ergg ermc erme erne erpe errc erre gc-c gccc gcmc gcpc gcrg gece geen geep geer gege gegg gem- gemm gemr gen- genc gene geng genn gepe gere germ gern gggg ggrn gmen gmer gmme gmmr gncc gngc gnpc gnrc gnrr gper gpgp gprp grcc grce grec gree greg grem gren grep grpc grrr mccc mcep mcmc mcpc mcpp mcrc mec- mecc mece mecr meem meen meep meer meg- mege megg megr memc meme memr men- menc mene meng menn mepe mer- merc mere merm mern merp mgcp mgen mger mgrm mmcc mmcg mmcm mmen mmgn mmmc mmmm mmpc mmpr mmrc mmrp mnem mngr mpcc mpec mpeg mpmc mppc mppe mppp mprp mr-c mrcc mrce mrcp mree mreg mren mrgn mrmc mrnc mrng mrrc nccc nccn nccp nccr ncec ncee ncem ncen ncep ncer ncgr ncmm ncmp ncnc ncpc ncrc ncre ncrp necc nece necr neem neen neep neer nege negp nem- neme nemn nemp nene neng nepc nepe nepr nerc nere nerm nerr ngen nger ngmn ngpc nm-e nmcp nmeg nmmc nmrc nngn nnmc nnnn nnpr npcc nppc nprm nrem nren nrpc nrpn nrrc pccc pcce pcem pcep pcer pcgg pcgm pcpm pcpn pcpp pcrc pcre pece pecr peec peen peep peer pegg pegm pen- penc pene peng penn pepe per- perc pere perg perm pern perp perr pgcc pgce pger pgmc pgmp pgrc pmcc pmeg pmmp pmpm pmrc pnec pnnm pnpp ppcc ppcm ppen pper pppn pppp pprc pprm prcc prcp pre- prec pree preg prem pren prep prmc prnp prrm rccc rcep rcgc rcmp rcnr rcrg recc rece recm recp recr reem reen reep rege regm regn regr reme remn remp rene reng renn repe repp repr rere rerg rmrg rmrp rncp rppn rrmc rrmp rrrr