public class PluralWords {
	public static void main(String[] args) {
		ArrayList<String> allWords = new ArrayList<String>();
		Scanner input = new Scanner(new File("words.txt"));
		while (input.hasNext()) {
			String word = input.next();
			allWords.add(word);
		}
		System.out.println(allWords);

		// remove all plural words
		for (int i = 0; i < allWords.size(); i++) {
			String word = allWords.get(i);
			if (word.endsWith("s")) {
				allWords.remove(i);
			}
		}
	}
}