code: import java.io.BufferedReader;
  import java.io.FileReader;
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.Comparator;
  import java.util.LinkedList;
  import java.util.List;
  
  public class Ordered {
  
  	private static boolean isOrderedWord(String word){
  		char[] sortedWord = word.toCharArray();
  		Arrays.sort(sortedWord);
  		return word.equals(new String(sortedWord));
  	}
  	
  	public static void main(String[] args) throws IOException{
  		List<String> orderedWords = new LinkedList<String>();
  		BufferedReader in = new BufferedReader(new FileReader(args[0]));
  		while(in.ready()){
  			String word = in.readLine();
  			if(isOrderedWord(word)) orderedWords.add(word);
  		}
  		in.close();
  		
  		Collections.<String>sort(orderedWords, new Comparator<String>() {
  			@Override
  			public int compare(String o1, String o2) {
  				return new Integer(o2.length()).compareTo(o1.length());
  			}
  		});
  		
  		int maxLen = orderedWords.get(0).length();
  		for(String word: orderedWords){
  			if(word.length() == maxLen){
  				System.out.println(word);
  			}else{
  				break;
  			}
  		}
  	}
  }
  