You are given a code:

def main_solution(x):
    return func_20(func_15('oyk'), func_13(x, '-'))

Can you predict the output of `main_solution("ocroycqhos")` 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": "ocroycqhos"}, "ref_output": "\u00aboo-\u00bbc\u00ab-yr\u00bb-\u00abok-\u00bby-c-q-h-o-s", "ref_code": "def main_solution(x):\n    return func_20(func_15('oyk'), func_13(x, '-'))", "funcname": "main_solution"}
rule