@Test
public void prefixSearch44() throws Exception {

    TrieTree trieTree = new TrieTree();
    trieTree.insert("a");
    trieTree.insert("b");
    trieTree.insert("c");
    trieTree.insert("d");
    trieTree.insert("e");
    trieTree.insert("f");
    trieTree.insert("g");
    trieTree.insert("h");
}