Task: Program Execution
Input (English): a, J, 5, u, 6, 1, e
Output (English): [['a', 'J', '5', 'u', '6', '1'], ['a', 'J', '5', 'u', '6', 'e'], ['a', 'J', '5', 'u', '1', 'e'], ['a', 'J', '5', '6', '1', 'e'], ['a', 'J', 'u', '6', '1', 'e'], ['a', '5', 'u', '6', '1', 'e'], ['J', '5', 'u', '6', '1', 'e']]