cccc cccf cccp cccs ccee ccfc ccff cche cchp cchs ccpe ccpp ccps ccsf ccsp ccss cec- cece cecp cecs ceec cees cef- cefc cehs cepc cepe ceph cepp ceps cesc cese cesp cess cexe cfcf cfcs cfhs cfps cfse cfsx chce chch chcp chcs chec chee chef cheh chep ches chex chfc chfs chhs chpf chpp chsc chse chsh cpce cpcs cpep cpff cphs cpps cpsc cpsx cscc csce cscf csch cscs csec csee cseh csep csfc cshp cshs cspc cspe csps csse cxfs cxxx eccc ecce ecef eces ecfc ecfs eche echs ecpp ecsc ecse ecsp ecss eecs eeee eees eefe eehs eeps eese efes effs efhs efsh ehcc eheh ehhs epcc epch epec epee epes epfc eph- ephs eppc eppp epps epsc epsf epsp epss epsx epxp esce esch escs esee eses esfp esfs eshs espc espe espp esps esse essh essp exch exec exes exh- fccf fcch fccp fces fchs fcps fcsc fece fech fees fefc fefe feff fepc feps fese fesh fess ffcc ffee ffff ffhs ffps ffss fhfs fhhs fhss fp-c fpcc fscc fsec fshs fspc fspf fssc fssf fssp fxsp hccc hcch hccs hcfc hchs hcpc hcps hcsc hcss hech hecs heef heep hees hefe hefs hehe hehs hepc hepe hepp heps hesc hesh hesp hess hex- hexe hfce hfcs hfhs hfss hhex hhhh hhhs hhpc hpcc hpcx hpfc hpfs hphs hppe hpps hpsc hpse hpss hscc hses hsfc hsfs hshs hspf hsps hsse hssp pccc pcce pccs pcep pcfc pchp pchs pcpp pcps pcse pece pech pecs peec peep pees pefc peff pefs pehe pepe peps pese pess pfce pfcs pfff pfhs pfps phcc phe- phex phhs phsc ppcc ppcs pphs pppp ppps ppsf ppsh ppss psec psfs pshc pshs psph pspp psps pssc psse pxes sccc scce sccp sccs scec scee scep scfc scfe sch- sche schh schs scpe scps scsc scsh se-c se-e se-f se-h se-s se-x sec- secc sece sech secs seec seef seeh seep sees seex seff sehe sehs sepe sepp seps sepx sesc sese sesh sess sex- sexe sexp sfcc sfcs sffc sfhs sfpc sfss shcc shcp she- shee shef sheh shep shes shhh shhs shps shsc spcc spcs spec spee spef spes spex spfc spfs sphs sppf spps spse spsp spss sscc ssce sscp sscs ssec ssee ssep sses ssex ssfc ssfp sshs sspc sspe sspf ssps sspx sssc sssf sssh ssss xces xefe xexe xfce xhhp xpcc xxxx