When you press the cheats in they dont unlock on smackdown vs raw 08 for ps2?

there are only 2 cheats in the whole game:

; Kelly Kelly's second costume

Enter "KellyKG12R" as a case-sensitive code to unlock Kelly Kelly's second costume.

; Triple H and HBK's DX attire

Enter "DXCostume69K2" as a case-sensitive code to unlock Triple H and HBK's DX attire.