using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var list = new List<string>() {

            "EUR/USD - 5 Jun - 1.0730 Call CFD",

            "EUR/USD - 5 Jun - 1.0730 Call SB",

            "EUR/USD - 5 Jun - 1.0730 Put CFD",

            "EUR/USD - 5 Jun - 1.0730 Put SB",

            "EUR/USD - 5 Jul - 1.0730 Call CFD",

            "EUR/USD - 5 Jul - 1.0730 Call SB",

            "EUR/USD - 5 Jul - 1.0730 Put CFD",

            "EUR/USD - 5 Jul - 1.0730 Put SB",

        };

        list.Sort();

        Console.WriteLine("------");

        foreach (var s in list){

            Console.WriteLine(s);   

        }

        list = new List<string>() {

            "EUR/USD - 5 6 - 1.0730 Call CFD",

            "EUR/USD - 5 6 - 1.0730 Call SB",

            "EUR/USD - 5 6 - 1.0730 Put CFD",

            "EUR/USD - 5 6 - 1.0730 Put SB",

            "EUR/USD - 5 7 - 1.0730 Call CFD",

            "EUR/USD - 5 7 - 1.0730 Call SB",

            "EUR/USD - 5 7 - 1.0730 Put CFD",

            "EUR/USD - 5 7 - 1.0730 Put SB",

        };

        list.Sort();

        Console.WriteLine("------");

        foreach (var s in list){

            Console.WriteLine(s);   

        }

        list = new List<string>() {

            "EUR/USD - 5 6 - 1.0730 Call CFD",

            "EUR/USD - 5 6 - 1.0730 Call SB",

            "EUR/USD - 5 6 - 1.0740 Put CFD",

            "EUR/USD - 5 6 - 1.0740 Put SB",

            "EUR/USD - 5 7 - 1.0730 Call CFD",

            "EUR/USD - 5 7 - 1.0730 Call SB",

            "EUR/USD - 5 7 - 1.0740 Put CFD",

            "EUR/USD - 5 7 - 1.0740 Put SB",

        };

        list.Sort();

        Console.WriteLine("------");

        foreach (var s in list){

            Console.WriteLine(s);   

        }

    }

​

}