You are given a code:

def main_solution(x):
    return func_20(func_5(x, 'rzmp'), func_15('omq'))

Can you predict the output of `main_solution("bkawwvfojw")` without writing any code? Please reason and put your final answer in the following json format: {"output": <your output>}, where <your output> should be the final string.
user
{"ref_input": {"x": "bkawwvfojw"}, "ref_output": "r\u00abzom\u00bbp\u00abbmk\u00bba\u00abwqw\u00bbvfojw", "ref_code": "def main_solution(x):\n    return func_20(func_5(x, 'rzmp'), func_15('omq'))", "funcname": "main_solution"}
rule