def METHOD_NAME(ch, skipKeisen=True, skipEmoji=True):
    for k, v in ch.items():
        for k2, v2 in ch.items():
            if skipKeisen and ("ケイセン" in v[1] or "ケイセン" in v2[1]):
                continue
            if skipEmoji and ("エモジ" in v[1] or "エモジ" in v2[1]):
                continue
            assert isinstance(v[0], int) or isinstance(v[0], str)
            assert isinstance(v2[0], int) or isinstance(v2[0], str)
            if (
                type(v[0]) == type(v2[0]) == int
                and v[0] < v2[0]
                and k != k2
                and equals_ignore_spaces(v[1], v2[1])
            ):
                print(
                    "ch %d:%s %04x / %d:%s %04x / %s"
                    % (v[0], k, getOrd(k), v2[0], k2, getOrd(k2), v2[1])
                )