def METHOD_NAME(self):
    """
    Return the facets of ``self``.
    EXAMPLES::
        sage: S = SimplicialComplex([[1,3,4], [1,2],[2,5],[4,5]])               # needs sage.graphs
        sage: sorted(S.facets())                                                # needs sage.graphs
        [(1, 2), (1, 3, 4), (2, 5), (4, 5)]
    """