public static void findFormableWords(LinkedList[] lists, Trie[] tries, LinkedList[] formable_words){
		Thread[] find_threads = new Thread[26];
		
		for(int i=0; i < 26; ++i){
			find_threads[i] = new Thread(new FindWordsThread(lists[i], tries, formable_words[i], i));
			
			find_threads[i].start();
		}
		
		for(int i=0; i < 26; ++i){
			try {
				find_threads[i].join();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}