Task: Program Execution
Input (English): x, j, b, f, W, y, 7
Output (English): [['x', 'j', 'b', 'f', 'W', 'y'], ['x', 'j', 'b', 'f', 'W', '7'], ['x', 'j', 'b', 'f', 'y', '7'], ['x', 'j', 'b', 'W', 'y', '7'], ['x', 'j', 'f', 'W', 'y', '7'], ['x', 'b', 'f', 'W', 'y', '7'], ['j', 'b', 'f', 'W', 'y', '7']]