ordered_vowel_words.rb

# Write a method ordered_vowel_words that takes a string of lowercase words
# and returns a string with just the words containing all their vowels
# (excluding "y") in alphabetical order

def ordered_vowel_words(words)
  vowels = %w(a e i o u)
  ordered = []
  words.split(" ").each do |word|
    word_vowels = word.chars.select { |char| vowels.include? char } # amends = ae, complicated = oiae
    ordered << word if word_vowels == word_vowels.sort
  end
  ordered.join(" ")
end