Task: Program Execution
Input (English): 0, k, 8, P, U, 9, 5
Output (English): [['0', 'k', '8', 'P', 'U', '9'], ['0', 'k', '8', 'P', 'U', '5'], ['0', 'k', '8', 'P', '9', '5'], ['0', 'k', '8', 'U', '9', '5'], ['0', 'k', 'P', 'U', '9', '5'], ['0', '8', 'P', 'U', '9', '5'], ['k', '8', 'P', 'U', '9', '5']]