def load_plugin_names(settings):
    """
    Generate a unique name for a plugin based on the class name module name
    and path

    >>> settings = {'PLUGINS': ['a', 'b.c', 'a.c']}
    >>> load_plugin_names(settings)
    ['a', 'c', 'a.c']
    """
    seen = set()

    def generate_name(path, maxsplit=0, splits=None):
        if splits is None:
            splits = len(path.split('.')) - 1
        name = '.'.join(path.split('.', splits - maxsplit)[-1].rsplit('.',
                        maxsplit))
        if name not in seen or maxsplit >= splits:
            seen.add(name)
            return name
        return generate_name(path, maxsplit + 1, splits)

    if settings['PLUGINS']:
        return [generate_name(path) for path in settings['PLUGINS']]
    else:
        return ['Annotations']