Task: Program Execution
Input (English): A, 1, 6, W, 2, z, y
Output (English): [['A', '1', '6', 'W', '2', 'z'], ['A', '1', '6', 'W', '2', 'y'], ['A', '1', '6', 'W', 'z', 'y'], ['A', '1', '6', '2', 'z', 'y'], ['A', '1', 'W', '2', 'z', 'y'], ['A', '6', 'W', '2', 'z', 'y'], ['1', '6', 'W', '2', 'z', 'y']]