Task: Program Execution
Input (English): G, 4, X, 6, 2, i, n
Output (English): [['G', '4', 'X', '6', '2', 'i'], ['G', '4', 'X', '6', '2', 'n'], ['G', '4', 'X', '6', 'i', 'n'], ['G', '4', 'X', '2', 'i', 'n'], ['G', '4', '6', '2', 'i', 'n'], ['G', 'X', '6', '2', 'i', 'n'], ['4', 'X', '6', '2', 'i', 'n']]