Task: Program Execution
Input (English): 4, 9, 2, x, V, u, W
Output (English): [['4', '9', '2', 'x', 'V', 'u'], ['4', '9', '2', 'x', 'V', 'W'], ['4', '9', '2', 'x', 'u', 'W'], ['4', '9', '2', 'V', 'u', 'W'], ['4', '9', 'x', 'V', 'u', 'W'], ['4', '2', 'x', 'V', 'u', 'W'], ['9', '2', 'x', 'V', 'u', 'W']]