-ene cccc cccm ccee ccmc ccmm ccnc ccne ccnm ccnr ccrc ccre ccrt cctc cctt cec- cece cecm cect ceec ceem ceme cemm cemr cen- cene cent cer- cerc cere cern cert cet- cete cmcc cmec cmmc cmmn cmrn cmrr cmtc cnet cnrc cnrr cnrt cntc cntm cntr crcc crce crcr cre- crec cree crem cren cret crmn crne crrt crtc crtm ctec cten ctne ctrc ctrm ctrn cttn eccc ecce eccm ecct ecem ecne ecrc ecrm ecrr ect- ectc eeee eent eerc eetc eete emcc emcn emen emer emet emme emne emre emte ence enee enem ener ennc enne ent- ente entr ercc erce erec erem eren erer eret ermc erme erne errc erre etcc etec etee etem eten eter etne etnr etre etrm ette ettn mccc mcmc mcmt mcrc mctc mec- mecc mece mecr meem meen meer meet memc meme memr men- menc mene menn ment mer- merc mere merm mern mert met- mete mett mmcc mmcm mmct mmen mmmc mmmm mmrc mnem mnet mntn mr-c mrcc mrce mree mren mrmc mrnc mrrc mrtm mrtn mrtt mtcr mtnt mtrc mtre mtrr mttr nccc nccn nccr ncct ncec ncee ncem ncen ncer ncmm ncnc ncrc ncre nctc ncte nctr necc nece necr nect neem neen neer neet nem- neme nemn nene nent nerc nere nerm nerr nert net- nete nett nm-e nmmc nmnt nmrc nmtc nnmc nnmt nnnn nntn nrem nren nrrc ntcc nter ntrc nttm nttr rccc rcet rcnr rctc recc rece recm recr rect reem reen reet reme remn rene renn rent rere rert rete retr rett rnnt rrmc rrrr rtcc rtce rtcm rtee rtmc tccc tcnn tctc tecr tect teec teem teen teer teet teme tenc tene tenn tent ter- terc tere term tern terr tete tetr tett tmcc tmcm tmen tmnt tmtt tncc trcc tre- trec tree trem tren tret trtc trte trtr ttcn tten tter tttt