cccc cccl ccee ccel cclc ccrc ccre ccrl cec- cece ceec ceel ceke cel- celc cele cell cer- cerc cere cerl ckck ckcl cker ckrc clec clee clek cler crcc crce crcr cre- crec cree crkc crkl e-cl eccc ecce eccl ecrc ecrl ecrr eeee eeke eele eerc ekek eker elce elec elee elek eler elke elle ercc erce erec erel erer erke erle erll errc erre kccc kcck kccl kccr kcec kcee kcel kckc kckk kckl kckr kclc kcle kclk kcll kclr kcrc kcrr keck kecr keek keel keer kekc keke kekl kele kelk kell ker- kerc kere kerk kerl kerr kkck kkcl kkcr kkkk kklc kkll kkrc kkre kkrk kkrl kkrr klcc klce klck klcl klcr klec klee klek kler klkc klkk klkl klkr kllc klle kllk klrc klrk klrr krcc krce krcl krec kree krek krkc krke krkk krkr krlc krle krrc krre krrk krrl krrr lccc lcce lcer lcrl lece leck leek leel leer leke lekk lele lell lerc lere lerk llcc lllc llll lrrc lrrr rccc rcle recc rece reck recr reek reel reke rele rell rere rlee rrle rrrr