Task: Program Execution
Input (English): W, 8, j, 1, 5, 4
Output (English): [['W', '8', 'j', '1', '5'], ['W', '8', 'j', '1', '4'], ['W', '8', 'j', '5', '4'], ['W', '8', '1', '5', '4'], ['W', 'j', '1', '5', '4'], ['8', 'j', '1', '5', '4']]