There is a wide variety of ingredients for spicy hot, the following are some common ingredients for spicy hot:

Vegetables: bean sprouts, lettuce, potato slices, mushrooms, soybean sprouts, tofu skins, kelp knots and so on.

Meat: sliced beef, sliced lamb, sliced pork, sliced chicken, duck blood, ham sausage and so on.

Seafood: shrimp, fish balls, crab sticks, squid rings, etc.

Tofu products: tofu skin, tofu brain, etc.

Pasta: vermicelli, rice noodles, noodles, etc.

Others: eggs, beef phyllo, fish tofu, enoki mushrooms, shiitake mushrooms, etc.

The above are just some common spicy hot ingredients, you can actually choose your favorite ingredients to match according to your personal taste and preference.