c-cd cccc cccs ccdc ccds ccoc ccod ccsd ccss cdcs cdos cdss coco codd cods cody cood coos cosc coso coss cosy coyo coys cscc cscd csco cscs csos cssd csys cyc- cycc cycs cyds cyy- cyyc dc-y dccc dccs dcds dcos dcsc dcss dddd ddoc ddss doco docs dod- dodd dodo dods dody dood doos doso doss dosy doyo dscc dscs dsos dssc dycd dydd dyo- dyoo dys- dyss occc ocds ocos ocys oddd odds oddy odoo odos odso oooo ooos oscc osco osoo osos ossd osso ossy oyss s-os sccc sccs sccy scdc scds scoo scsc scsd scso sdcc sdco sddc sdds sdsc sdss soco socs socy sodd sodo sods sody sood soos sooy soso soss soyo soys sscc sscs ssdc ssdd ssoc sssc ssss syco syds syso syss yccc yodo yods yood yoso yoyo ysco yyyy