public Graph<String,Integer> criar(List<String> list){
    Graph<String,Integer> graph = new Graph<>(true);
    for(String s1 : list){
        for(String s2 : list){
            if (!s1.equals(s2)){
                if(str_intersection(s1,s2) > 0){
                    graph.insertEdge(s1,s2,str_intersection(s1, s2),(double) str_intersection(s1, s2));
                }
            }
        }
    }
    return graph;
}