Task: Program Execution
Input (English): 1, k, J, 1, 7, I, 5
Output (English): [['1', 'k', 'J', '1', '7', 'I'], ['1', 'k', 'J', '1', '7', '5'], ['1', 'k', 'J', '1', 'I', '5'], ['1', 'k', 'J', '7', 'I', '5'], ['1', 'k', '1', '7', 'I', '5'], ['1', 'J', '1', '7', 'I', '5'], ['k', 'J', '1', '7', 'I', '5']]