cccc cccl cccp ccee ccel cclc ccpe ccpl ccpp ccpr ccrc ccre ccrl ccrp cec- cece cecp ceec ceel cel- celc cele cell cepc cepe cepp cepr cer- cerc cere cerl cerp clec clee clep cler clpp cpce cpep cper cplc cpre crcc crce crcr cre- crec cree crep crpc e-cl eccc ecce eccl ecpp ecrc ecrl ecrr eeee eele eerc el-p elce elec elee eler elle elpe epcc epec epee eper eple epll eppc eppp eprp ercc erce ercp erec erel erer erle erll erpe errc erre lccc lcce lcer lcpc lcpl lcrl lece leel leep leer lele lell lepe lepp lerc lere lerp llcc lllc llll lpec lppl lprp lrrc lrrr pccc pcce pccl pcep pcer pcll pcpp pcrc pcre pcrl pece pecl pecr peec peel peep peer pel- pele pell pepe per- perc pere perl perp perr plcc plce ple- plec plee plpp ppcc pper pple pppp pprc prcc prcp pre- prec pree prel prep prle prlr rccc rcep rcle recc rece recp recr reel reep rele rell relp repe repl repp repr rere rlee rrle rrrr