Александр Фандеев

using System;
using System.Linq;
					
public class Program
{
	private static char[] Filter = new [] { 'A', 'E', 'I', 'O' ,'U', 'Y' };
	
	public static void Main()
	{
		var data = new char[10];
		var s = 'A';
		
		for(var i = 0; i < data.Length; s++)
			if(!Filter.Contains(s))
				data[i++] = s;
		
		Console.WriteLine(string.Join(", ", data));
	}
}