Task: Program Execution
Input (English): 1, H, 9, 8, 1, e
Output (English): [['1', 'H', '9', '8', '1'], ['1', 'H', '9', '8', 'e'], ['1', 'H', '9', '1', 'e'], ['1', 'H', '8', '1', 'e'], ['1', '9', '8', '1', 'e'], ['H', '9', '8', '1', 'e']]