cccc cccl cccp cccu ccee ccel cclc ccpe ccpl ccpp ccpr ccrc ccre ccrl ccrp ccuc ccup cec- cece cecp ceec ceel cel- celc cele cell cepc cepe cepp cepr cer- cerc cere cerl cerp clec clee clep cler cleu clpp clue cpce cpcu cpep cper cplc cpre crcc crce crcr cre- crec cree crep creu crpc crue crup cucc cuce cuer culc cule cull culp cupe cupl cupp cupr cure curl curr e-cl eccc ecce eccl ecpp ecrc ecrl ecrr ecru eeee eele eerc el-p elce elec elee eler elle ellu elpe elue elul epcc epec epee eper eple epll eppc eppp eprp ercc erce ercp erec erel erer erle erll erpe errc erre eruc erur euer eule eur- eurc eure lccc lcce lcer lcpc lcpl lcrl le-u lece leel leep leer lele lell lelu lepe lepp lerc lere lerp leuc leur llcc lleu lllc llll lpec lppl lprp lrpu lrrc lrrr luce luer lule lull lulu lupe lupu lure luup pccc pcce pccl pcep pcer pcll pcpp pcrc pcre pcrl pece pecl pecr peec peel peep peer pel- pele pell pelu pepe per- perc pere perl perp perr peru peul peur plcc plce ple- plec plee pleu plpp plue plup plur ppcc pper pple pppp pprc ppru ppur prcc prcp pre- prec pree prel prep preu prle prlr prue pruu pu-e puce puel puer pueu pule pull pulp pulu pupe pupl pupu pur- pure purl purp purr puru puuc rccc rcep rcle recc rece recp recr recu reel reep rele rell relp repe repl repp repr repu rere reru reue reul reup reuu rlee rleu rrle rrrr ruce ruel ruer rule rull rupe rupp rurc rure rurp ruru u-rp uccp ucel ucrc uele uell ulcc ulee ulle ullr ulul uppc uppe uppp uppu upup ure- urle urre urup urur uucp uulu uuuu