-ene cccc cccu ccee ccnc ccne ccnr ccnu ccrc ccre ccrt cctc cctt ccuc ccut cec- cece cect ceec cen- cene cent cer- cerc cere cern cert cet- cete cnet cnrc cnrr cnrt cntc cntr cnut crcc crce crcr cre- crec cree cren cret creu crne crrt crtc crue crun crut ctec cten ctne ctrc ctrn cttn cucc cuce cucn cuer cune cunt cure curn curr curt cut- cutc cute cutt eccc ecce ecct ecne ecrc ecrr ecru ect- ectc eeee eent eerc eetc eete eetu ence enee ener ennc enne ennu ent- ente entr enue enur enut ercc erce erec eren erer eret erne errc erre ertu eruc erur etcc etec etee eten eter etne etnr etre ette ettn ettu etun euer eur- eurc eure eurt nccc nccn nccr ncct nccu ncec ncee ncen ncer ncnc ncrc ncre nctc ncte nctr ncue necc nece necr nect neen neer neet nene nent nenu nerc nere nerr nert neru net- nete nett neuc neue neun neur neut neuu nnnn nntn nren nrrc ntcc nter nteu ntnu ntrc ntru nttr ntuc nuce nucu nuee nuer nunc nune nunn nunt nurc nure nurn nurr nurt nuru nute nutt nutu rccc rcet rcnr rctc recc rece recr rect recu reen reet rene renn rent renu rere rert reru rete retr rett reue reut reuu rnnt rnut rrrr rrun rtcc rtce rtee ruce ruct ruen ruer ruet runc rune runn runt rurc rure ruru rute rutt rutu ruun tccc tccu tcnn tctc tecr tect teec teen teer teet tenc tene tenn tent tenu ter- terc tere tern terr teru tete tetr tett tetu teut tncc tnut trcc tre- trec tree tren tret treu trtc trte trtr truc true trun trut truu ttcn tten tter tttt tucc tuen tuer tuet tunc tune tunn tunu turc ture turn turr turt turu tute tutt tutu ucrc ucut uncc unce unct unec unee unen uner unne unte unut ure- uret urne urre urte urun urur urut utec uter utne uttu uuen uuuu