public String ending(){
		String ending = "dummy value";
		if (verb.length() >= 3){
			ending = verb.substring(verb.length() - 3, verb.length());
		}
		if (!ending.equals("tsu")){
			ending = verb.substring(verb.length() - 2, verb.length());
		}
		if (ending.equals("au") || ending.equals("iu") || ending.equals("ou") || ending.equals("uu") || ending.equals("eu")){
			ending = "u";
		}
		return ending;
	}