Task: Program Execution
Input (English): e, t, f, 8, 0, 6, I
Output (English): [['e', 't', 'f', '8', '0', '6'], ['e', 't', 'f', '8', '0', 'I'], ['e', 't', 'f', '8', '6', 'I'], ['e', 't', 'f', '0', '6', 'I'], ['e', 't', '8', '0', '6', 'I'], ['e', 'f', '8', '0', '6', 'I'], ['t', 'f', '8', '0', '6', 'I']]