Task: Program Execution
Input (English): e, 4, y, Z, 5, O
Output (English): [['e', '4', 'y', 'Z', '5'], ['e', '4', 'y', 'Z', 'O'], ['e', '4', 'y', '5', 'O'], ['e', '4', 'Z', '5', 'O'], ['e', 'y', 'Z', '5', 'O'], ['4', 'y', 'Z', '5', 'O']]