Task: Program Execution
Input (English): O, 3, Y, 5, O, 7
Output (English): [['O', '3', 'Y', '5', 'O'], ['O', '3', 'Y', '5', '7'], ['O', '3', 'Y', 'O', '7'], ['O', '3', '5', 'O', '7'], ['O', 'Y', '5', 'O', '7'], ['3', 'Y', '5', 'O', '7']]