-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 ceux cexe cnet cnex cnrc cnrr cnrt cntc cntr cnut crcc crce crcr cre- crec cree cren cret creu crex crne crrt crtc crue crun crut crux ctec cten ctne ctrc ctrn cttn cucc cuce cucn cuer cune cunt cure curn curr curt cut- cutc cute cutt cxxx eccc ecce ecct ecne ecrc ecrr ecru ect- ectc eeee eent eerc eetc eete eetu eext ence enee ener ennc enne ennu ent- ente entr enue enur enut er-x ercc erce erec eren erer eret erne errc erre ertu eruc erur etcc etec etee eten eter etne etnr etre ette ettn ettu etun etux euer eur- eurc eure eurt exec exen exer exrx exte extr 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 nexe next nexx 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 reux rexx rnnt rnut rrrr rrun rtcc rtce rtee rtex 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 tetx teut text tncc tnut trcc tre- trec tree tren tret treu trex trtc trte trtr truc true trun trut truu trux ttcn tten tter tttt tucc tuen tuer tuet tunc tune tunn tunu turc ture turn turr turt turu tute tutt tutu txcn txen txtr ucrc ucut uext uncc unce unct unec unee unen uner unne unte unut ure- uret urex urne urre urte urun urur urut utec uter utne uttu uuen uuuu uxue xeer xen- xene xenn xenu xer- xert xexe xnee xnet xuxu xxxx