Task: Program Execution
Input (English): 7, i, r, 3, p
Output (English): [['7', 'i', 'r', '3'], ['7', 'i', 'r', 'p'], ['7', 'i', '3', 'p'], ['7', 'r', '3', 'p'], ['i', 'r', '3', 'p']]