-ene cccc cccu cccv ccee ccnc ccne ccnr ccnu ccrc ccre ccrt cctc cctt cctv ccuc ccut cec- cece cect ceec cen- cene cent cer- cerc cere cern cert cet- cete cetv cnet cnrc cnrr cnrt cntc cntr cnut crcc crce crcr cre- crec cree cren cret creu crne crrt crtc crtv crue crun crut ctec cten ctne ctrc ctrn cttn ctvt cucc cuce cucn cuer cune cunt cure curn curr curt cut- cutc cute cutt cutv cuve cvcc cven cver cvet cvrr cvte eccc ecce ecct ecne ecrc ecrr ecru ecrv ect- ectc ectv eeee eent eerc eetc eete eetu eevn en-v ence enee ener ennc enne ennu ent- ente entr enue enur enut ercc erce erec eren erer eret erev erne errc erre ertu eruc erur eruv erve etcc etec etee eten eter etne etnr etre ette ettn ettu etun euer eur- eurc eure eurt even ever evet evre n-tv nccc nccn nccr ncct nccu ncec ncee ncen ncer ncnc ncrc ncre nctc ncte nctr nctv ncue necc nece necr nect neen neer neet neev nene nent nenu nerc nere nerr nert neru nerv net- nete nett netv neuc neue neun neur neut neuu neve nnnn nntn nnvt nren nrrc ntcc nter nteu ntnu ntrc ntru nttr nttv ntuc nuce nucu nuee nuer nunc nune nunn nunt nurc nure nurn nurr nurt nuru nurv nute nutt nutu nvcc nvtc nvtv rccc rcet rcnr rctc rctv rcuv rcvr recc rece recr rect recu reen reet reev rene renn rent renu rere rert reru rete retr rett reue reut reuu reve rnnt rnut rrrr rrun rtcc rtce rtee rtve ruce ruct ruen ruer ruet runc rune runn runt rurc rure ruru rute rutt rutu ruun ruve ruvu rv-c rver tccc tccu tcnn tctc tecr tect teec teen teer teet teev 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 trev 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 tver tvrr tvtv ucrc uctv ucut uncc unce unct unec unee unen uner unne unte untv unut ure- uret urne urre urte urun urur urut urve utec uter utne uttu uuen uuuu uv-c uven uver uvvu vecc veen veer veet ven- vene venn vent venu ver- vere vern vert vete vetr veur veve vret vrnn vtec vten vtun vuen vurt vutv vver vvvv