cccc cccl cccp ccee ccel cclc ccpe ccpl ccpp cec- cece cecp ceec ceel ceke cel- celc cele cell cepc cepe cepp ckck ckcl ckpc clec clee clek clep clpp cpce cpep cplc e-cl eccc ecce eccl ecpp eeee eeke eele ekek ekpe el-p elce elec elee elek elke elle elpe epcc epec epee eple epll eppc eppp kccc kcck kccl kcec kcee kcel kcep kckc kckk kckl kclc kcle kclk kcll kcpc kcpl keck keek keel keep kekc keke kekl kele kelk kell kelp kep- kepc kepe kkck kkcl kkkk kklc kkll kkpc kkpk kkpl klcc klce klck klcl klec klee klek klep klkc klkk klkl kllc klle kllk kllp klpc kpcc kpcl kpek kpel kpke kpkk kpkl kplc kplk kppc kppk kppl kppp lccc lcce lcpc lcpl lece leck leek leel leep leke lekk lele lell lepe lepp llcc lllc llll lpec lppl pccc pcce pccl pcep pclk pcll pcpp pece peck pecl peec peek peel peep peke pekk pel- pele pell pepe plcc plce ple- plec plee plek plkk plpp ppcc pple pppp