Task: Program Execution
Input (English): K, 1, 2, P, 1, 5
Output (English): [['K', '1', '2', 'P', '1'], ['K', '1', '2', 'P', '5'], ['K', '1', '2', '1', '5'], ['K', '1', 'P', '1', '5'], ['K', '2', 'P', '1', '5'], ['1', '2', 'P', '1', '5']]