Here are some common types of candies that contain cocoa powder:

1. Chocolate candies

- Examples: chocolate chunks, chocolate beans, chocolate bars.

- Features: Cocoa powder is the key ingredient in making chocolate, and is mixed with cocoa butter, sugar, and milk (or milk powder) to make different types of chocolate candies.

 2. Chocolate fillings  

- Examples : soft-centered chocolate, nut chocolate, and liquor-filled chocolate.

- Features: The outer layer is chocolate (containing cocoa powder), and the inner layer is filled with various fillings, such as caramel, nuts, or alcohol.

 3. Chocolate coated candies

- Examples: chocolate-coated nuts, chocolate-coated cookies, chocolate raisins.

- Features: The outer layer of the candy is coated with a layer of chocolate (containing cocoa powder) to increase the flavor and taste.

 4. Chocolate fudge

- Examples: chocolate-flavored fudge, brownie fudge.

- Features: Cocoa powder is mixed with sugar, butter and cream to create a soft and chewy candy.

 5. Chocolate Toffee

- Example: Chocolate-covered toffee.

- Features: Toffee is covered with chocolate (containing cocoa powder) and has a sweet and bitter taste with a rich texture.

 6. Chocolate beans

- Examples: M&M's, chocolate bean candies.

- Features: Small candies with colorful icing on the outside and chocolate (including cocoa powder) on the inside.

7. Chocolate truffles

- Examples: Handmade chocolate truffles.

- Features: Made from cocoa powder, chocolate and cream, the outside is usually sprinkled with cocoa powder or chopped nuts.

 8. Chocolate lollipops

- Examples: Chocolate coated lollipops.

- Features: The lollipops have chocolate (including cocoa powder) on the outside and hard candy or other flavored candies on the inside.

 9. Chocolate caramel

- Examples: Chocolate caramel bars.

- Features: Caramel combined with chocolate (including cocoa powder), sweet and bitter, soft texture.

 10. Healthy Chocolate Candies

- Examples: Dark chocolate energy balls, sugar-free chocolate candies.

- Features: Use cocoa powder with high cocoa content, reduce sugar, and add healthy ingredients such as nuts and oats.