Task: Program Execution
Input (English): D, 7, O, P, N, o, 5
Output (English): [['D', '7', 'O', 'P', 'N', 'o'], ['D', '7', 'O', 'P', 'N', '5'], ['D', '7', 'O', 'P', 'o', '5'], ['D', '7', 'O', 'N', 'o', '5'], ['D', '7', 'P', 'N', 'o', '5'], ['D', 'O', 'P', 'N', 'o', '5'], ['7', 'O', 'P', 'N', 'o', '5']]