Task: Program Execution
Input (English): v, 4, C, 1, 2, K
Output (English): [['v', '4', 'C', '1', '2'], ['v', '4', 'C', '1', 'K'], ['v', '4', 'C', '2', 'K'], ['v', '4', '1', '2', 'K'], ['v', 'C', '1', '2', 'K'], ['4', 'C', '1', '2', 'K']]