cccc cccp cccs ccee ccpe ccpp ccps ccsp ccss ccst cctc cctt cec- cece cecp cecs cect ceec cees cepc cepe cepp ceps cept cesc cese cesp cess cest cet- cete cetp cets cexe cpce cpcs cpep cpps cpsc cpsx cptp cpts cscc csce cscs csec csee csep cset cspc cspe csps cspt csse cstc csts cstx csxt ctcp ctec ctep ctpp ctps ctsc ctss ctts cxxx eccc ecce ecct eces ecpp ecsc ecse ecsp ecss ect- ectc ects eecs eeee eees eeps eese eetc eete eets eext epcc epec epee epes eppc eppp epps epsc epsp epss epsx epte epxp esce escs esee eses eset espc espe espp esps esse essp esst estc este estp ests etcc etcs etec etee etes ette exec exes expt exte exts pccc pcce pccs pcep pcpp pcps pcse pcte pcts pece pecs pect peec peep pees peet pepe peps pese pess pest pete pets pett ppcc ppcs pppp ppps ppss ppts pptt psec pspp psps pssc psse psst psts ptcc pttc pxes sccc scce sccp sccs scct scec scee scep scet scpe scps scpt scsc scst sctc scts se-c se-e se-s se-t se-x sec- secc sece secs sect seec seep sees seet seex sepe sepp seps sept sepx sesc sese sess sest set- setc sete sets sett setx sex- sexe sexp sext spcc spcs spec spee spes spet spex spps spse spsp spss spst sptc spts sscc ssce sscp sscs ssec ssee ssep sses sset ssex sspc sspe ssps sspt sspx sssc ssss sstc sstp ssts stcc stcp stcs stec stee step stes stet stex stpp stps stss sttc tccc tcep tctc tcts tecs tect teec tees teet tepe tepp tesc tese tesp tess test tete tets tett tetx text tpcp tpcs tppp tpsc tpte tptp tscc tscp tsec tses tset tsps tspt tsse tsst tstc tsts ttcp ttss tttt xces xexe xpcc xtep xxxx