-ene cccc cccl ccee ccel cclc ccnc ccne ccnr ccrc ccre ccrl cec- cece ceec ceel ceke cel- celc cele cell cen- cene cer- cerc cere cerl cern ckck ckcl cken cker ckln cknc ckrc clec clee clek cler cnel cnrc cnrr crcc crce crcr cre- crec cree cren crkc crkl crne e-cl eccc ecce eccl ecne ecrc ecrl ecrr eeee eeke eele eerc ekek eken eker ekne elce elec elee elek elen eler elke elle elne ence encl enee enel ener enke enkr ennc enne ercc erce erec erel eren erer erke erle erll erne errc erre kccc kcck kccl kccr kcec kcee kcel kckc kckk kckl kckn kckr kclc kcle kclk kcll kcln kclr kcnr kcrc kcrn kcrr keck kecr keek keel keen keer kekc keke kekl kele kelk kell keln ken- kene kenk kenl kenn kenr ker- kerc kere kerk kerl kern kerr kkck kkcl kkcn kkcr kken kkkk kklc kkll kkln kkne kknn kkrc kkre kkrk kkrl kkrn kkrr klcc klce klck klcl klcn klcr klec klee klek klen kler klkc klkk klkl klkn klkr kllc klle kllk klnc klne klnn klrc klrk klrn klrr knce knck kncn kncr knec knee knek knel knen knkk knlc knlr knnk knnr knrk krcc krce krcl krcn krec kree krek kren krkc krke krkk krkn krkr krlc krle krln krne krnk krnn krrc krre krrk krrl krrn krrr lccc lcce lcer lcrl lece leck leek leel leen leer leke lekk lele lell lene lenk lenn lerc lere lerk lern llcc lllc llll lncr lner lnnk lrne lrrc lrrr nccc nccn nccr ncec ncee ncel ncen ncer nclc ncln nclr ncnc ncrc ncre necc nece neck necr neel neen neer neke nelc nele nell nene nerc nere nerk nerl nerr nlcc nlec nler nnnn nren nrrc nrrl rccc rcle rcnl rcnr recc rece reck recr reek reel reen reke rele rell rene renk renn rere rlee rrle rrrr