if(v.element()!= null)										//if the node is not null
		{
			//if word is between word1 and word2, or same as word1 and word2
			if((v.element().getValue().getWord().compareTo(word1) > 0 && v.element().getValue().getWord().compareTo(word2) < 0) || (v.element().getValue().getWord().compareTo(word1) == 0 || (v.element().getValue().getWord().compareTo(word2) == 0)))
				betweenTwoWords.add(v.element().getValue());		//add WordNode into ArrayList betweenTwoWords
		}