-ene cccc cccl ccee ccel cclc ccnc ccne cec- cece ceec ceel ceke cel- celc cele cell cen- cene ckck ckcl cken ckln cknc clec clee clek cnel e-cl eccc ecce eccl ecne eeee eeke eele ekek eken ekne elce elec elee elek elen elke elle elne ence encl enee enel enke ennc enne kccc kcck kccl kcec kcee kcel kckc kckk kckl kckn kclc kcle kclk kcll kcln keck keek keel keen kekc keke kekl kele kelk kell keln ken- kene kenk kenl kenn kkck kkcl kkcn kken kkkk kklc kkll kkln kkne kknn klcc klce klck klcl klcn klec klee klek klen klkc klkk klkl klkn kllc klle kllk klnc klne klnn knce knck kncn knec knee knek knel knen knkk knlc knnk lccc lcce lece leck leek leel leen leke lekk lele lell lene lenk lenn llcc lllc llll lnnk nccc nccn ncec ncee ncel ncen nclc ncln ncnc necc nece neck neel neen neke nelc nele nell nene nlcc nlec nnnn