cccc cccf cccl cccp ccee ccel ccfc ccff ccfl cclc ccpe ccpl ccpp ccpr ccrc ccre ccrf ccrl ccrp cec- cece cecp ceec ceel cef- cefc cel- celc cele celf cell cepc cepe cepp cepr cer- cerc cere cerf cerl cerp cfcf cfcl cffr cfpl cfpr cfre cfrp clec clee clef clep cler clpp cpce cpep cper cpff cplc cpre crcc crce crcr cre- crec cree crep crfc crfl crlf crpc e-cl eccc ecce eccl ecef ecfc ecfr ecpp ecrc ecrf ecrl ecrr eeee eefe eefl eele eerc el-p elce elec elee elef eler elfc elfe elle elpe epcc epec epee eper epfc eple epll eppc eppp eprp ercc erce ercp erec erel erer erfc erle erll erpe errc erre fccf fccp fece feel feer fefc fefe feff fele felf fell fepc ferc fere ferr ffcc ffee ffff ffrr flcl flee fler fp-c fpcc fplc fprf frcc frcp free frep frfc lccc lcce lcer lcfc lcfr lcpc lcpl lcrl lece leef leel leep leer lefe leff lele lell lepe lepp lerc lere lerp lfcc llcc llef lllc llll lpec lpfp lppl lprp lrfc lrrc lrrr pccc pcce pccl pcep pcer pcfc pcll pcpp pcrc pcre pcrf pcrl pece pecl pecr peec peel peep peer pefc peff pel- pele pelf pell pepe per- perc pere perf perl perp perr pfce pfff pffr plcc plce ple- plec plee plff plpp ppcc pper pple pppp pprc pprf prcc prcf prcp pre- prec pree pref prel prep prfc prle prlr rccc rcep rcfc rcle recc rece recp recr reef reel reep refe reff refl refr rele rell relp repe repl repp repr rere rfef rffc rffl rlee rlef rpfc rrfc rrle rrrr