cccc cccs cccv ccee ccss ccvs cec- cece cecs ceec cees cesc cese cess cevy ceys cscc csce cscs csec csee csse csys cvcc cvss cyc- cycc cycs cyse cyve cyy- cyyc eccc ecce eces ecsc ecse ecss eecs eeee eees eese eesy esce escs esee eses esse essy eves evey evsc eyec eyes eyey eyse sccc scce sccs sccy scec scee scey scsc scye se-c se-e se-s se-y sec- secc sece secs secv secy seec sees seey sesc sese sess seve seye seys sscc ssce sscs ssec ssee sses sssc ssss svcc svce svcs svec svsc syce syes syse syss syve vecc vees vesc vese vess vesy veve vevy veye veys vsee vses vssc vsse vvvv vyce vyes vyse vyss yccc ycee yees yess yeve yeye ysee yses ysse yves yyyy