Task: Program Execution
Input (English): 1, 7, 5, R, K, 9
Output (English): [['1', '7', '5', 'R', 'K'], ['1', '7', '5', 'R', '9'], ['1', '7', '5', 'K', '9'], ['1', '7', 'R', 'K', '9'], ['1', '5', 'R', 'K', '9'], ['7', '5', 'R', 'K', '9']]