Task: Program Execution
Input (English): w, 7, o, U, 4, A
Output (English): [['w', '7', 'o', 'U', '4'], ['w', '7', 'o', 'U', 'A'], ['w', '7', 'o', '4', 'A'], ['w', '7', 'U', '4', 'A'], ['w', 'o', 'U', '4', 'A'], ['7', 'o', 'U', '4', 'A']]