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 cedy ceec cees cer- cerc cerd cere cers cery cesc cese cesr cess ceys crcc crce crcr crdc cre- crec cred cree cres crss cry- crys cscc cscd csce cscr cscs csdr csec csee cser csrc csrd csrs cssd csse cssr csys cyc- cycc cycs cyds cyre cyrs cyse cyy- cyyc dc-y dccc dccs dcds dcsc dcss dddd ddes ddrc ddre ddry ddss dec- decc decd dece decs dedd dede deed deer dees der- derc dere derr ders dery des- desc dese dess desy deye deyr deys dred dree dres drey drrs dry- drye drys dscc dscr dscs dsdr dsrc dsrr dssc dycd dyce dydd dyde dyed dyer dyes dyey dyr- dyrc dyre dys- dyse dysr dyss dyyr eccc ecce ecdc eced eces ecrc ecrr ecsc ecse ecss ecyd eddc edde edds eddy ede- eder edes edss edys eecs eede eeee eees eerc eers eery eese eesy ercc erce erde erds erec ered erer eres errc erre errs erse eryc erye esce escr escs esds esee eser eses esrd esse essy eyec eyed eyer eyes eyey eyre eyry eyse eyyr rccc rccs rcdc rcde rcds rcrd rcsc rcsd rcss rcyc rder recc recd rece recr recs recy redc redd rede redr reds redy reed rees rerd rere rers rery rese ress reyd reye reys rred rrrr rscc rscs rscy rsdd rsds rsee rsre ryde rydy ryes rysy sccc scce sccs sccy scdc scds scec scee scer scey scr- scrc scre scrs scry scsc scsd scsr scye sdcc sddc sdds sder sdes sdrc sdrs sdry sdsc sdss se-c se-d se-e se-s se-y sec- secc secd sece secr secs secy sede seds seec seed seer sees seey serc serd sere serr sers sery sesc sese sess seye seys srcc srde srec sres srsd sscc ssce sscs ssdc ssdd ssec ssee sses ssrc ssrs sssc ssss syce sycr syde syds syer syes syre syrs syry syse syss yccc ycee ydee ydes ydre yedd yede yeds yeed yeer yees yerd yere yerr yers yery yess yeye yeyr ysed ysee yser yses ysse yyyy