Task: Program Execution
Input (English): V, H, 3, 7, X, 2
Output (English): [['V', 'H', '3', '7', 'X'], ['V', 'H', '3', '7', '2'], ['V', 'H', '3', 'X', '2'], ['V', 'H', '7', 'X', '2'], ['V', '3', '7', 'X', '2'], ['H', '3', '7', 'X', '2']]