-ene cccc cccl ccee ccel cclc ccnc ccne ccnr ccrc ccre ccrl ccrt cctc cctl cctt cec- cece cect ceec ceel cel- celc cele cell celt cen- cene cent cer- cerc cere cerl cern cert cet- cete clec clee cler clet cltc cnel cnet cnrc cnrr cnrt cntc cntr crcc crce crcr cre- crec cree cren cret crne crrt crtc crtl ctec cten ctle ctne ctrc ctrl ctrn cttn e-cl eccc ecce eccl ecct eclt ecne ecrc ecrl ecrr ect- ectc eeee eele eent eerc eetc eete elce elec elee elen eler elet elle elne elte ence encl enee enel ener ennc enne ent- ente entr ercc erce erec erel eren erer eret erle erll erne errc erre ertl etcc etec etee etel eten eter etne etnr etre ette ettn lccc lcce lcer lcrl lctl lece lect leel leen leer leet lele lell lene lenn lent lerc lere lern lert lete lett llcc llet lllc llll lncr lner lntc lrne lrrc lrrr ltcc ltee ltnt lttc lttr nccc nccn nccr ncct ncec ncee ncel ncen ncer nclc ncln nclr ncnc ncrc ncre nctc ncte nctr necc nece necr nect neel neen neer neet nelc nele nell nelt nene nent nerc nere nerl nerr nert net- nete nett nlcc nlec nler nnnn nntn nren nrrc nrrl nrtl ntcc nter ntrc ntrl nttr rccc rcet rcle rcnl rcnr rctc recc rece recr rect reel reen reet rele rell relt rene renn rent rere rert rete retr rett rlee rnnt rrle rrrr rtcc rtce rtee rtle rtlt tccc tcnn tctc tecl tecr tect teec teel teen teer teet tel- telc tele tell teln telt tenc tene tenn tent ter- terc tere tern terr tete tetr tett tlen tncc trcc trcl tre- trec tree tren tret trtc trte trtr ttcn tten tter tttt