Task: Program Execution
Input (English): 3, 2, 0, 7, B, E
Output (English): [['3', '2', '0', '7', 'B'], ['3', '2', '0', '7', 'E'], ['3', '2', '0', 'B', 'E'], ['3', '2', '7', 'B', 'E'], ['3', '0', '7', 'B', 'E'], ['2', '0', '7', 'B', 'E']]