Palindromes

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _7.Palindromes
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] delimiters = new char[] { ' ', ',', '?', '!', '.', ':' };
            string[] text = Console.ReadLine().Split(delimiters, StringSplitOptions.RemoveEmptyEntries).ToArray();
            string wordToCheck = "";
            List<string> palindromes = new List<string>();
            for (int word = 0; word < text.Length; word++)
            {
                wordToCheck = text[word];
                if (wordToCheck.Length == 1)
                {
                    palindromes.Add(wordToCheck);
                }
                for (int pal = 0; pal < wordToCheck.Length / 2; pal++)
                {
                    if (wordToCheck[pal] == wordToCheck[wordToCheck.Length - 1])
                    {
                        palindromes.Add(wordToCheck);
                    }
                } //end of for
            }//end of for
            palindromes = palindromes.Distinct().ToList();
            palindromes.Sort();
            Console.WriteLine(string.Join(", ", palindromes));
        }
    }
}