You are given a code:

def main_solution(x):
    return func_20(func_5('ngqb', 'aaez'), func_15(x))

Can you predict the output of `main_solution("vihjdo")` 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": "vihjdo"}, "ref_output": "a\u00abave\u00bbz\u00abnig\u00bbq\u00abbh\u00bb\u00abj\u00bb\u00abd\u00bb\u00abo\u00bb", "ref_code": "def main_solution(x):\n    return func_20(func_5('ngqb', 'aaez'), func_15(x))", "funcname": "main_solution"}
rule