Task: Program Execution
Input (English): 2, 7, 1, 4, A, 2
Output (English): [['2', '7', '1', '4', 'A'], ['2', '7', '1', '4', '2'], ['2', '7', '1', 'A', '2'], ['2', '7', '4', 'A', '2'], ['2', '1', '4', 'A', '2'], ['7', '1', '4', 'A', '2']]