You are given a code:

def main_solution(x):
    return func_9(func_13('wxbmvm', '|'))

Can you predict the output of `main_solution("oziek")` 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": "oziek"}, "ref_output": "w|x|b|m|v|mm|v|m|b|x|w", "ref_code": "def main_solution(x):\n    return func_9(func_13('wxbmvm', '|'))", "funcname": "main_solution"}
rule