Task: Program Execution
Input (English): P, e, p, 0, 5, 9, u
Output (English): [['P', 'e', 'p', '0', '5', '9'], ['P', 'e', 'p', '0', '5', 'u'], ['P', 'e', 'p', '0', '9', 'u'], ['P', 'e', 'p', '5', '9', 'u'], ['P', 'e', '0', '5', '9', 'u'], ['P', 'p', '0', '5', '9', 'u'], ['e', 'p', '0', '5', '9', 'u']]