name.rb

require "whois"

class Array
  def shuffle
    sort_by { rand }
  end

  def shuffle!
    self.replace shuffle
  end
end

names = Array.new
50.times do |n|
  v = %w(a e i o u)
  k = %w(b c d f g h j k l m n p q r s t v w x y z)
  output = ""
  6.times do |i|
    output += if i % 2 == 1
      v.shuffle!
      v.delete(v[0])
    else
      k.shuffle!
      k.delete(k[0])
    end
  end
  unless names.include?(output)
    names.push(output)
    a = Whois.whois("#{output}.com")
    puts "#{output}.com" if a.available?
  end
end