cccc cccs ccee ccrc ccre ccrs ccss cec- cece cecs ceec cees ceke cer- cerc cere cers cesc cese cesr cess ceze ckck ckcs cker ckrc crcc crce crcr crcz cre- crec cree cres crkc crss cscc csce cscr cscs csec csee cser csks csrc csrs csse cssr eccc ecce eces ecks ecrc ecrr ecsc ecse ecss eecs eeee eees eeke eeks eerc eers eese eesk eeze ekek eker ekes ercc erce erec erer eres erez erke erks errc erre errs erse esce escr escs esee esek eser eses eske esks esse ezek ezer kccc kcck kccr kcec kcee kcez kckc kckk kckr kckz kcrc kcrr kcrs kcrz kcsc kcse kcsr kcss kcze kczz keck kecr keek keer kees kekc keke keks ker- kerc kere kerk kerr kers kerz kesc kesk kesr kess kesz keze kezr kezz kkck kkcr kkcs kkez kkkk kkrc kkre kkrk kkrr kkrs kkrz kkse kksr kkss kkzz krcc krce krcs krec kree krek kres krez krkc krke krkk krkr krks krkz krrc krre krrk krrr krrs krrz krsc krse krsk krsr krss krze krzk krzr krzs krzz ksce ksck kscr kscs ksec ksee ksek kser ksez kske kskk kskr ksks kskz ksrr ksrs ksrz ksse kssr ksss kssz kszr kzcr kzee kzer kzke kzkr kzks kzkz kzrc kzrk kzrr kzrs kzrz kzsc kzse kzzk kzzr kzzs kzzz rccc rccs rcsc rcss recc rece reck recr recs recz reek rees reke reks rere rers rese ress reze rkss rrrr rscc rscs rsee rsre sccc scce sccs scec scee scer sck- scr- scrc scre scrs scsc scsr se-c se-e se-k se-s se-z sec- secc sece seck secr secs seec seek seer sees seez seke sekk serc sere serk serr sers sesc sese sess skee sker skes skss srcc srec sres sscc ssce sscs ssec ssee sses ssrc ssrs sssc ssss szss zeck zeek zees zeke zekr zeks zerk zeze zrce zrze zsss zzzs zzzz