public boolean CanStackRule(Stack<Character> s)
	{
		if (s.size() > 3)
		{
			int k = s.size();
			String tmp = "";
			for (int i = 0; i < 3; i++)
			{
				k -= 1;
				tmp += s.elementAt(k);
			}
			if (word.contains(tmp))
			{
				return true;
			}
		}
		return false;
	}