I am a bit unclear about your reference to a "HUD" house. If you bought the house under a program with a certain amount of financing or with a price based on certain agreements that you made, i.e. an agreement that the property would be your home, then you may be in violation of the purchase agreement. I recommend you consult with a real estate attorney as soon as possible.
This is not a substitute for a consultation with a real estate attorney who is familiar with federally subsidized housing and mortgage programs.