You are given a code:

def main_solution(x):
    return func_20(func_5('ovi', 'pdwk'), func_15(x))

Can you predict the output of `main_solution("kbdkjag")` 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": "kbdkjag"}, "ref_output": "p\u00abdkw\u00bbk\u00abobv\u00bbi\u00abd\u00bb\u00abk\u00bb\u00abj\u00bb\u00aba\u00bb\u00abg\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_5('ovi', 'pdwk'), func_15(x))", "funcname": "main_solution"}
rule