cccc cccs ccee cche cchr cchs ccrc ccre ccrs ccss cec- cece cecs ceec cees cehs ceke cer- cerc cere cers cesc cese cesr cess chce chch chcs chec chee cheh chek cher ches chhs chks chrc chrr chrs chsc chse chsh chsr ckch ckck ckcs cker ckhs ckrc cksh crcc crce crcr cre- crec cree creh cres crhs crkc crss cscc csce csch cscr cscs csec csee cseh cser cshs csks csrc csrs csse cssr eccc ecce eces eche echs ecks ecrc ecrr ecsc ecse ecss eecs eeee eees eehs eeke eeks eerc eers eese eesk ehcc eheh eher ehhs ehre ekch ekek eker ekes ekhs ercc erce erch erec erer eres erhc erhs erke erks errc erre errs erse ersh esce esch escr escs esee esek eser eses eshs eske esks esse essh hccc hcch hccs hchs hcsc hcss hech heck hecs heek heer hees hehe hehs heke herc here herk herr hers hesc hesh hess hhhh hhhs hkcc hkcs hkse hree hrhs hrrc hscc hses hshs hsse kccc kcck kccr kcec kcee kche kchh kchk kchr kchs kckc kckk kckr kcrc kcrh kcrr kcrs kcsc kcse kcsr kcss kech keck kecr keeh keek keer kees kehk kehr kehs kekc keke keks ker- kerc kere kerk kerr kers kesc kesh kesk kesr kess khcc khch khck khcs khec kher khhk khhs khke khkk khkr khks khrk khrr khse khss kkch kkck kkcr kkcs kkhh kkhk kkhr kkkk kkrc kkre kkrh kkrk kkrr kkrs kkse kksr kkss krcc krce krch krcs krec kree kreh krek kres krhc krhs krkc krke krkh krkk krkr krks krrc krre krrk krrr krrs krsc krse krsh krsk krsr krss ksce ksch ksck kscr kscs ksec ksee kseh ksek kser kshe kshk kshr kshs kske kskk kskr ksks ksrh ksrr ksrs ksse kssr ksss rccc rccs rchs rcsc rcss recc rece rech reck recr recs reek rees rehe rehs reke reks rere rers rese resh ress rhce rhee rhes rhhs rkss rrhs rrrr rscc rsch rscs rsee rshs rsre sccc scce sccs scec scee scer sch- sche schh schr schs sck- scr- scrc scre scrs scsc scsh scsr se-c se-e se-h se-k se-s sec- secc sece sech seck secr secs seec seeh seek seer sees sehe sehk sehr sehs seke sekk serc sere serk serr sers sesc sese sesh sess shcc she- shee sheh shek sher shes shhh shhs shre shrs shsc skee sker skes skhs skss srcc srch srec sres srhs sscc ssce sscs ssec ssee sses sshs ssrc ssrs sssc sssh ssss