Task: Program Execution
Input (English): 4, u, Y, 6, 3, 3, Z
Output (English): [['4', 'u', 'Y', '6', '3', '3'], ['4', 'u', 'Y', '6', '3', 'Z'], ['4', 'u', 'Y', '6', '3', 'Z'], ['4', 'u', 'Y', '3', '3', 'Z'], ['4', 'u', '6', '3', '3', 'Z'], ['4', 'Y', '6', '3', '3', 'Z'], ['u', 'Y', '6', '3', '3', 'Z']]