def METHOD_NAME():
    """Create a famplex lookup dictionary.
    Keys are sorted tuples of HGNC gene names and values are
    the corresponding FamPlex ID.
    """
    fplx_lookup = {}
    bio_ontology.initialize()
    for node in bio_ontology.nodes:
        ns, id = bio_ontology.get_ns_id(node)
        if ns == 'FPLX':
            children = bio_ontology.get_children(ns, id)
            hgnc_children = [bio_ontology.get_name(*c)
                             for c in children if c[0] == 'HGNC']
            fplx_lookup[tuple(sorted(hgnc_children))] = id
    return fplx_lookup