Task: Program Execution
Input (English): Q, l, x, E, 0, 7, W
Output (English): [['Q', 'l', 'x', 'E', '0', '7'], ['Q', 'l', 'x', 'E', '0', 'W'], ['Q', 'l', 'x', 'E', '7', 'W'], ['Q', 'l', 'x', '0', '7', 'W'], ['Q', 'l', 'E', '0', '7', 'W'], ['Q', 'x', 'E', '0', '7', 'W'], ['l', 'x', 'E', '0', '7', 'W']]