Task: Program Execution
Input (English): e, 1, H, V, 1, 6, 7
Output (English): [['e', '1', 'H', 'V', '1', '6'], ['e', '1', 'H', 'V', '1', '7'], ['e', '1', 'H', 'V', '6', '7'], ['e', '1', 'H', '1', '6', '7'], ['e', '1', 'V', '1', '6', '7'], ['e', 'H', 'V', '1', '6', '7'], ['1', 'H', 'V', '1', '6', '7']]