void () { final Map<String, String> graph = new HashMap<>(); graph.put("s", "ab"); graph.put("a", "b"); graph.put("b", "cd"); graph.put("c", "t"); graph.put("d", "e"); graph.put("e", "t"); graph.put("t", ""); doTest(graph, "sbct", "sabct", "sbdet", "sabdet"); }