Task: Program Execution
Input (English): 8, u, 4, 8, N, V
Output (English): [['8', 'u', '4', '8', 'N'], ['8', 'u', '4', '8', 'V'], ['8', 'u', '4', 'N', 'V'], ['8', 'u', '8', 'N', 'V'], ['8', '4', '8', 'N', 'V'], ['u', '4', '8', 'N', 'V']]