Task: Program Execution
Input (English): h, 5, 6, q, 2, 1, c
Output (English): [['h', '5', '6', 'q', '2', '1'], ['h', '5', '6', 'q', '2', 'c'], ['h', '5', '6', 'q', '1', 'c'], ['h', '5', '6', '2', '1', 'c'], ['h', '5', 'q', '2', '1', 'c'], ['h', '6', 'q', '2', '1', 'c'], ['5', '6', 'q', '2', '1', 'c']]