c-cd cccc cccs ccdc ccds ccoc ccod ccsd ccss cdcs cdos cdss coco codd cods cood coos cosc coso coss cscc cscd csco cscs csos csox cssd cxxx dccc dccs dcds dcos dcsc dcss dcxx dddd ddoc ddss do-x doco docs dod- dodd dodo dods dood doos doso doss dscc dscs dsos dssc dxcc dxco dxdc dxds dxoc dxss dxxx occc ocds ocos oddd odds odoo odos odso oooo ooos oscc osco osoo osos ossd osso oxo- oxos oxox oxxo s-os sccc sccs scdc scds scoo scox scsc scsd scso sdcc sdco sddc sdds sdsc sdss soco socs socx sodd sodo sods sood soos soso soss soxs sscc sscs ssdc ssdd ssoc sssc ssss xdcc xdos xoco xoxo xxxo xxxx