from typing import Optional


def generate_bit_binaries(size: Optional[int] = 8) -> None:

    namespace = 2 ** size

    for i in range(namespace):  # 256 because 2^8 = 256
        # Format the number as a binary with leading zeros
        binary_format = f"{i:08b}"
        print(binary_format)


if __name__ == "__main__":
    generate_bit_binaries()