Tasк.Intersection премахване само на повтарящите думи

using System;
using System.Collections.Generic;
/*Hristo Hristo Nakov Nakov Petya
Nakov Vanessa Maria
 output Hristo Hristo Petya
*/
class Intersection
{
    static void Main()
    {
        List<string> listOne = new List<string>(Console.ReadLine().Split(' '));
        List<string> listTwo = new List<string>(Console.ReadLine().Split(' '));

        listOne = IntersectionWord(listOne, listTwo);
        foreach (var i in listOne)
        {
            Console.Write(i + " ");
        }
        Console.WriteLine();
    }
    static List<string> IntersectionWord(List<string> listOne, List<string> listTwo)
    {
        List<string> newL = new List<string>();
        foreach (var i in listOne)
        {
            if(listTwo.Contains(i))
            {
                continue;
            }
            newL.Add(i);
        }
        return newL;
    }
}