-ene c-cd cccc ccdc ccdn ccdr cced ccee ccgc ccgt ccnc ccne ccnr ccrc ccre ccrg ccrt cctc cctt cd-e cd-r cddr cdec cder cdnc cdre cec- cece cect cedd cede cedt ceec cege cen- cend cene ceng cent cer- cerc cerd cere cern cert cet- cete cgcc cgcg cged cger cndd cnet cnrc cnrr cnrt cntc cntr crcc crce crcr crdc cre- crec cred cree creg cren cret crne crrt crtc ctec cten ctge ctne ctrc ctrn cttn dccc dcct dctc dddd ddrc ddre dec- decc decd dece dect dedd dede deed deeg deen deer deet dege dene deng denn dent der- derc dere derg dern derr dete detn detr dgeg dgge dnce dner dnet dnrc dntt dred dree dreg dren dret drge dtcc dted dten dtng eccc ecce ecct ecdc eced ecne ecrc ecrr ect- ectc eddc edde ede- eden eder edge edrn eede eeee eend eeng eent eerc eerg eetc eete egcc egcg egcr egec egee eger egge egne egnt egre egte ence end- ende ened enee eneg ener enge engg engr ennc enne ent- entd ente entr ercc erce erde erec ered eren erer eret erg- ergg erne errc erre etcc etec etee eten eter etne etnr etre ette ettn gc-c gccc gcet gcrg gctc gdrc gdrt gece gedd gede geed geen geer geet gege gegg gen- genc gend gene geng genn gent gerd gere gern gert gete getg gett gggg ggrn gncc gnet gngc gnrc gnrr grcc grce grdc grec gree greg gren gret grrr grtc gtcr nccc nccn nccr ncct ncdc ncdn ncdr ncec nced ncee ncen ncer ncgr ncnc ncnd ncrc ncre nctc ncte nctr ndcc ndde nder ndnt ndrc ndre ndtc necc nece necr nect nedc nedd nede need neen neer neet nege nend nene neng nent nerc nerd nere nerr nert net- netd nete nett ngdc nged ngen nger ngtn nngn nnnn nntn nrdc nren nrrc nrrd ntcc nter ntnd ntrc nttr rccc rcdc rcde rcet rcgc rcnr rcrd rcrg rctc rctg rder recc recd rece recr rect redc redd rede redr reed reen reet regd rege regn regr regt rend rene reng renn rent rerd rere rerg rert retd rete retr rett rgtr rndc rnnt rntd rred rrrr rtcc rtce rtcg rtdt rtee rtnd tccc tcdd tcnn tctc tecr tect tedd tede teec teed teen teer teet tegg tegt tenc tend tene teng tenn tent ter- terc tere tern terr tete tetr tett tgcc tgtc tncc tndd tnge trcc tre- trec tred tree treg tren tret trge trng trtc trte trtr ttcn tten tter tttt