using System;
using System.IO;
using System.Collections.Generic;

public static class ClipboardFusionHelper
{
        public static string ProcessText(string text)
        {
                List<string> oItems = new List<String>();

                StringReader sr = new StringReader(text);
                string line;
                line= sr.ReadLine();
                while (line != null)
                {
                        string[] parts = line.Split(',');
                        foreach (string strPart in parts) {
                                string strNewPart = strPart.Trim();
                                if (!oItems.Contains(strNewPart )) {
                                        oItems.Add(strNewPart );
                                }
                        }
                        line = sr.ReadLine();
                }
                oItems.Sort();
                return String.Join("\n", oItems.ToArray());
        }
}