-ene cccc ccee ccnc ccne ccnr ccrc ccre ccrt cctc cctt cec- cece cect ceec ceke cen- cene cent cer- cerc cere cern cert cet- cete ckck cken cker cknc cknt ckrc cnet cnrc cnrr cnrt cntc cntk cntr crcc crce crcr cre- crec cree cren cret crkc crne crrt crtc ctec cten ctne ctrc ctrn cttn eccc ecce ecct ecne ecrc ecrr ect- ectc eeee eeke eent eerc eetc eete ekek eken eker eket ekne ence enee ener enke enkr ennc enne ent- ente entr ercc erce erec eren erer eret erke erne errc erre etcc etec etee eten eter etne etnr etre ette ettn kccc kcck kccr kcct kcec kcee kcet kckc kckk kckn kckr kcnr kcnt kcrc kcrn kcrr kcrt kctc kcte kctn keck kecr keek keen keer keet kekc keke ken- kene kenk kenn kenr kent ker- kerc kere kerk kern kerr kert ket- ketc kete ketk ketr kett kkck kkcn kkcr kkct kken kkkk kkne kknn kknt kkrc kkre kkrk kkrn kkrr kkrt kktc kktk knce knck kncn kncr knct knec knee knek knen knet knkk knkt knnk knnr knrk knte kntk kntn kntr krcc krce krcn krec kree krek kren kret krkc krke krkk krkn krkr krne krnk krnn krnt krrc krre krrk krrn krrr krrt krtc krtk krtn krtr ktcc ktce ktck ktcr ktec ktee ktek kten ktkc ktke ktkk ktkn ktkr ktkt ktnc ktne ktnk ktnn ktnt ktrc ktre ktrk ktrn ktrr ktrt kttc kttk kttn kttr kttt nccc nccn nccr ncct ncec ncee ncen ncer ncnc ncrc ncre nctc ncte nctr necc nece neck necr nect neen neer neet neke nene nent nerc nere nerk nerr nert net- nete nett nknt nktr nnnn nntn nren nrrc ntcc nter ntrc nttr rccc rcet rcnr rctc recc rece reck recr rect reek reen reet reke rekt rene renk renn rent rere rert rete retr rett rnnt rrrr rtcc rtce rtee rtkn tccc tcnn tctc teck tecr tect teec teek teen teer teet teke tenc tene tenk tenn tent ter- terc tere terk tern terr tete tetr tett tncc trcc tre- trec tree trek tren tret trtc trte trtr ttcn tten tter tttt