using System;

public class HelloWorld
{
    public static void Main(string[] args)
    {
        byte[] gByteAry = new byte[8] {1,2,3,4,5,6,7,8};
        Int16 a, b, c, d;

        a = BitConverter.ToInt16(gByteAry, 6);  // wordees(0)
        b = BitConverter.ToInt16(gByteAry, 4);  // wordees(0)
        c = BitConverter.ToInt16(gByteAry, 2);  // wordees(0)
        d = BitConverter.ToInt16(gByteAry, 0);  // wordees(0)

        Console.WriteLine ("a = " + a.ToString("X4"));
        Console.WriteLine ("b = " + b.ToString("X4"));
        Console.WriteLine ("c = " + c.ToString("X4"));
        Console.WriteLine ("d = " + d.ToString("X4"));
    }
}

a = 0807
b = 0605
c = 0403
d = 0201