Task: Program Execution
Input (English): a, 2, j, Z, 7, 2
Output (English): [['a', '2', 'j', 'Z', '7'], ['a', '2', 'j', 'Z', '2'], ['a', '2', 'j', '7', '2'], ['a', '2', 'Z', '7', '2'], ['a', 'j', 'Z', '7', '2'], ['2', 'j', 'Z', '7', '2']]