c-cd cccc cccs ccdc ccdr ccds cced ccee ccrc ccre ccrs ccsd ccss cd-e cd-r cdcs cddr cdec cder cdes cdre cdrs cdss cec- cece cecs cedd cede ceec cees ceke cer- cerc cerd cere cers cesc cese cesr cess ckck ckcs cker ckrc ckrd crcc crce crcr crdc cre- crec cred cree cres crkc crss cscc cscd csce cscr cscs csdr csec csee cser csks csrc csrd csrs cssd csse cssr dccc dccs dcds dcrk dcsc dcss dddd ddes ddrc ddre ddss dec- decc decd dece deck decs dedd dede deed deek deer dees dek- deke deks der- derc dere derk derr ders des- desc dese desk dess dkdc dred dree drek dres drrs dscc dscr dscs dsdr dsrc dsrr dssc eccc ecce ecdc eced eces ecks ecrc ecrr ecsc ecse ecss eddc edde edds ede- eder edes edss eecs eede eeee eees eeke eeks eerc eers eese eesk eked ekek eker ekes ercc erce erde erds erec ered erer eres erke erks errc erre errs erse esce escr escs esds esee esek eser eses eske esks esrd esse kccc kccd kcck kccr kcdc kcdd kcdr kcds kcec kced kcee kckc kckk kckr kcrc kcrr kcrs kcsc kcsd kcse kcsr kcss kdcc kdcd kdce kdcr kddc kddd kddk kddr kdec kdkd kdkk kdkr kdrs kdsc kdsd kdsk kdsr kdss keck kecr kedc kedd kede kedr keds keed keek keer kees kekc keke keks ker- kerc kere kerk kerr kers kesc kesd kesk kesr kess kkcd kkck kkcr kkcs kkdc kkdd kked kkkk kkrc kkre kkrk kkrr kkrs kksd kkse kksr kkss krcc krcd krce krcs krdc krdd krde krdr krds krec kred kree krek kres krkc krkd krke krkk krkr krks krrc krre krrk krrr krrs krsc krsd krse krsk krsr krss ksce ksck kscr kscs ksdc ksdk ksdr ksds ksec ksed ksee ksek kser kskd kske kskk kskr ksks ksrr ksrs ksse kssr ksss rccc rccs rcdc rcde rcds rcrd rcsc rcsd rcss rder recc recd rece reck recr recs redc redd rede redr reds reed reek rees reke reks rerd rere rers rese ress rkss rred rrrr rscc rscs rsdd rsds rsee rsre sccc scce sccs scdc scds scec scee scer sck- scr- scrc scre scrs scsc scsd scsr sdcc sddc sdds sder sdes sdrc sdrs sdsc sdss se-c se-d se-e se-k se-s sec- secc secd sece seck secr secs sede seds seec seed seek seer sees seke sekk serc serd sere serk serr sers sesc sese sess sked skee sker skes sksd skss srcc srde srec sres srsd sscc ssce sscs ssdc ssdd ssec ssee sses ssrc ssrs sssc ssss