Program that returns the text form of each digit less than 5

public void DNF() 
{ 
    int[] DNFnumbers = { 50, 5, 1, 4, 8, 12, 78, 51, 0, 2 }; 
    string[] DNFdigits = { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" }; 
  
    var DNFSmall = 
        from n in DNFnumbers
        where n < 5 
        select DNFdigits[n]; 
  
    Console.WriteLine("DNFNumbers < 5:"); 
    foreach (var x in DNFSmall) 
    { 
        Console.WriteLine(x); 
    } 
}