Task: Program Execution
Input (English): p, 1, H, o, 9, Z
Output (English): [['p', '1', 'H', 'o', '9'], ['p', '1', 'H', 'o', 'Z'], ['p', '1', 'H', '9', 'Z'], ['p', '1', 'o', '9', 'Z'], ['p', 'H', 'o', '9', 'Z'], ['1', 'H', 'o', '9', 'Z']]