Task: Program Execution
Input (English): 9, H, B, Z, o
Output (English): [['9', 'H', 'B', 'Z'], ['9', 'H', 'B', 'o'], ['9', 'H', 'Z', 'o'], ['9', 'B', 'Z', 'o'], ['H', 'B', 'Z', 'o']]