cccc cccl cccp cccs ccee ccel cclc ccls ccpe ccpl ccpp ccpr ccps ccrc ccre ccrl ccrp ccrs ccsl ccsp ccss cec- cece cecp cecs ceec ceel cees cel- celc cele cell cels cepc cepe cepp cepr ceps cer- cerc cere cerl cerp cers cesc cese cesp cesr cess clec clee clep cler cles clpp clrs clsc cpce cpcs cpep cper cplc cpls cpps cpre cprs cpsc cpsl cpsr crcc crce crcr cre- crec cree crep cres crls crpc crps crsp crss cscc csce cscl cscr cscs csec csee csep cser cslp cslr cspc cspe csps csrc csrs csse cssr e-cl eccc ecce eccl eces ecpp ecrc ecrl ecrr ecsc ecse ecsp ecss eecs eeee eees eele eels eeps eerc eers eese el-p elce elec elee eler eles elle ells elpe else epcc epec epee eper epes eple epll eppc eppp epps eprp eprs epsc epsp epss ercc erce ercp erec erel erer eres erle erll erpe erps errc erre errs erse esce escr escs esee esel eser eses eslp espc espe espp esps esse essl essp lccc lcce lccs lcer lces lcls lcpc lcpl lcps lcrl lcrs lcsc lcsp lcsr lece leel leep leer lees lele lell lepe lepp leps lerc lere lerp lese less llcc llcs lles lllc llll llps lpec lppl lprp lpsc lpss lrcs lrps lrrc lrrr lrse ls-r lscs lses lspl lspr lsrc lssp lssr pccc pcce pccl pccs pcep pcer pcll pcpp pcps pcrc pcre pcrl pcse pece pecl pecr pecs peec peel peep peer pees pel- pele pell pels pepe peps per- perc pere perl perp perr pers pese pess plcc plce ple- plec plee ples plpp plss ppcc ppcs pper pple pppp ppps pprc ppss prcc prcp prcs pre- prec pree prel prep pres prle prlr prls prps prrs prsc prse prsl prss psec psel pspp pspr psps psrp pssc psse rccc rccs rcep rcle rcls rcps rcsc rcsl rcss recc rece recp recr recs reel reep rees rele rell relp rels repe repl repp repr reps rere rers rese resp ress rlcs rlee rlls rpcs rpls rpps rrle rrrr rrsp rscc rscs rsee rslc rslp rsps rsre rssl sccc scce sccl sccp sccs scec scee scel scep scer scl- sclc scls scpe scpl scps scr- scrc scre scrs scsc scsl scsr se-c se-e se-s sec- secc sece secr secs seec seel seep seer sees sele sell sels sepe sepp sepr seps serc sere serp serr sers sesc sese sess slcc slee slep sler sles sllp slpp slps slrc slre slrp slrs slsc spcc spcs spec spee spel sper spes splc sple splp splr spls spps sprs spse spsp spss srcc srec sres srpc srps srsp sscc ssce sscp sscs ssec ssee ssep sses sslc ssle sslp sspc sspe sspl ssps ssrc ssrl ssrs sssc ssss