fizzbuzz refactor

def fizzbuzz(x,y)
  (x..y).each do |i|
        case
        when i % 15 == 0 then puts "FizzBuzz"
        when i % 3 == 0 then puts "Fizz"
        when i % 5 == 0 then puts "Buzz"
        when i % 7 == 0 then puts "Fizzzzzzz"
        else 
    end
  end
end

fizzbuzz(20,200)