Pineapple Chicken Stir Fry with Bell Peppers

boneless skinless chicken breasts, diced

medium green pepper, sliced into thin strips

medium red bell pepper, sliced into thin strips

medium yellow bell pepper, sliced into thin strips

bag frozen pineapple tidbits (without any sugar or syrup added)

salt

black pepper

dried oregano

Frank’s Red Hot Sauce (more or less to taste)