Task: Program Execution
Input (English): O, 0, 2, 7, 9, A, F
Output (English): [['O', '0', '2', '7', '9', 'A'], ['O', '0', '2', '7', '9', 'F'], ['O', '0', '2', '7', 'A', 'F'], ['O', '0', '2', '9', 'A', 'F'], ['O', '0', '7', '9', 'A', 'F'], ['O', '2', '7', '9', 'A', 'F'], ['0', '2', '7', '9', 'A', 'F']]