public IEnumerable <LcrsTrie> EndOfWordNodes()
{
if (EndOfWord)
{
yield return(this);
}
if (LeftChild != null)
{
foreach (var node in LeftChild.EndOfWordNodes())
{
yield return(node);
}
}
if (RightSibling != null)
{
foreach (var node in RightSibling.EndOfWordNodes())
{
yield return(node);
}
}
}
