cf co cfo coif cob cod cog col con coo cop cos cot cow cox coy of CO Coif Corf Nof Cob Cod Cog Col- Com- Con- Coo Cop Cor- Cot Cow Cox Coy Coz Coy BOF EOF con cf co COFF COIF BOF DOF EOF OOF CAF CDF CIF COM con COS Cor Cow Coz