using System;

using System.Collections.Generic;               

public class Program

{

    public static void Main()

    {

        List<string> names = new List<string>();

        int count = Convert.ToInt32(Console.ReadLine());

        for(int i = 0 ; i < count ; i++){

            string name = Console.ReadLine();

            names.Add(name);

        }

        List<int> similiarIndexex = new List<int>();

        for(int i=0 ; i < names.Count-1 ; i++){

                for(int j = i+1 ; j < names.Count ; j++){

                    if(CheckWords(names[i] , names[j])){

                        similiarIndexex.Add(j);

                        break;

                    }

                }   

        }

        int shift = 0;

        foreach(int k in similiarIndexex){

            names.RemoveAt(k - shift);

            shift++;

        }

        foreach(string item in names){

            Console.WriteLine(item);

        }

    }

    public static bool CheckWords(string first , string second){

        if(first.Length != second.Length){

            return false;

        }

        foreach(char l in first){

            if(second.IndexOf(l) == -1){

                return false;

            }       

        }

        return true;

    }

}