Task: Program Execution
Input (English): W, 0, C, y, J
Output (English): [['W', '0', 'C', 'y'], ['W', '0', 'C', 'J'], ['W', '0', 'y', 'J'], ['W', 'C', 'y', 'J'], ['0', 'C', 'y', 'J']]