picking different combination of words from an array of words

using System;
using System.IO;
using System.Xml.Linq;
using System.Xml;
using System.Collections;
using System.Collections.Specialized;

namespace TestApplication
{
    class Program
    {
        static void Main(string[] args)
        {

            

            string[] myStrings = new string[7];
            myStrings = "apple pink lotus baby pen paper red".Split(" ".ToCharArray());


            Random objRandom = new Random();
            StringCollection objCollection = new StringCollection();

            //To get 6 values randomly
            for (int i = 0; i < 6; )
            {
                int random = objRandom.Next(0, 7); 

                if (!objCollection.Contains(myStrings[random]))
                {
                    objCollection.Add(myStrings[random]);
                    i++;
                }

            }

            foreach(string s in objCollection)
              Console.WriteLine(s);

            Console.Read();

        }
    }
}

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