You are given a code:

def main_solution(x):
    return func_13(('kprtm' + 'kqbcio'), '-')

Can you predict the output of `main_solution("sssqsnitor")` 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": "sssqsnitor"}, "ref_output": "k-p-r-t-m-k-q-b-c-i-o", "ref_code": "def main_solution(x):\n    return func_13(('kprtm' + 'kqbcio'), '-')", "funcname": "main_solution"}
rule