Task: Program Execution
Input (English): 4, f, 1, E, G, 7
Output (English): [['4', 'f', '1', 'E', 'G'], ['4', 'f', '1', 'E', '7'], ['4', 'f', '1', 'G', '7'], ['4', 'f', 'E', 'G', '7'], ['4', '1', 'E', 'G', '7'], ['f', '1', 'E', 'G', '7']]