Task: Program Execution
Input (English): 2, p, n, a, 4
Output (English): [['2', 'p', 'n', 'a'], ['2', 'p', 'n', '4'], ['2', 'p', 'a', '4'], ['2', 'n', 'a', '4'], ['p', 'n', 'a', '4']]