import java.io.*;
import java.util.*;

public class Solution 
{
    private static boolean canBreak(String loginAttempt, ArrayList<String> sol, ArrayList<String> passwords)
    {
        int len = loginAttempt.length();
        if (len == 0)
        {
            return true;
        }
        ArrayList<Boolean> dpTable = new ArrayList<>();
        for (int i = 0; i < len + 1; i++)
        {
            dpTable.add(false);
        }
        for (int i = 1; i <= len; i++)
        {
            if (dpTable.get(i) == false && passwords.contains(loginAttempt.substring(0, i)))
            {
                dpTable.set(i, true);
                //sol.add(loginAttempt.substring(0, i));
            }
            if (dpTable.get(i) == true)
            {
                if (i == len)
                {
                    //sol.add(loginAttempt.substring(0, i));
                    return true;
                }
                for (int j = i + 1; j <= len; j++) // i instead of i + 1? 
                {
                    //System.out.println("i is " + i); // 2
                    //System.out.println("j is " + j); // 3
                    if (dpTable.get(j) == false && passwords.contains(loginAttempt.substring(i, j))) //instead of j-i
                    {
                        dpTable.set(j, true);
                        //sol.add(loginAttempt.substring(i, j));
                    }
                    if (j == len && dpTable.get(j) == true)
                    {
                        //sol.add(loginAttempt.substring(i, j));
                        return true;
                    }
                }
            }
        }
        return false;
    }
    private static ArrayList<String> getWords(ArrayList<String> sol, String loginAttempt, ArrayList<String> pass,
                                             int len, String result)
    {
        if (sol.contains("CRAPAMOLE"))
        {
            return sol;
        }
        //System.out.println("getWords(" + loginAttempt + ")");
        //int len = loginAttempt.length();
        for (int i = 1; i <= len; i++)
        {
            String prefix = loginAttempt.substring(0, i);
            if (pass.contains(prefix))
            {
                if (i == len)
                {
                    sol.add(result + prefix);
                    sol.add("CRAPAMOLE");
                    return sol;
                }
                getWords(sol, loginAttempt.substring(i, len), pass, len - i, result + prefix + " ");
                //sol.add(prefix);
            }
        }
        return sol;
    }
    public static void main(String[] args) 
    {
        Scanner pasta = new Scanner(System.in);
        int numTestCases = pasta.nextInt();
        for (int i = 0; i < numTestCases; i++)
        {
            int numUsersWithPasswords = pasta.nextInt();
            ArrayList<String> existingPasswords = new ArrayList<>();
            for (int j = 0; j < numUsersWithPasswords; j++)
            {
                existingPasswords.add(pasta.next());
            }
            String loginAttempt = pasta.next();
            ArrayList<String> sol = new ArrayList<>();
            if (canBreak(loginAttempt, sol, existingPasswords))
            {
                sol = getWords(sol, loginAttempt, existingPasswords, loginAttempt.length(), "");
                for (int j = 0; j < sol.size(); j++)
                {
                    if (sol.get(j).equals("CRAPAMOLE"))
                    {
                        System.out.println();
                        break;
                    }
                    if (j == sol.size() - 1)
                    {
                        System.out.println(sol.get(j));
                    }
                    else
                    {
                        System.out.print(sol.get(j) + " ");
                    }
                }
            }
            else
            {
                System.out.println("WRONG PASSWORD");
            }
        }
    }
}