diff --git a/lib/adagrams.rb b/lib/adagrams.rb
index e69de29..c4e9013 100644
--- a/lib/adagrams.rb
+++ b/lib/adagrams.rb
@@ -0,0 +1,109 @@
+# wave1 code
+def draw_letters
+  pool_of_letters = {
+    "A" => 9, "B" => 2, "C" => 2, "D" => 4, "E" => 12, "F" => 2, "G" => 3, "H" => 2, "I" => 9, "J" => 1, "K" => 1, "L" => 4, "M" => 2, "N" => 6, "O" => 8, "P" => 2, "Q" => 1, "R" => 6, "S" => 4, "T" => 6, "U" => 4, "V" => 2, "W" =>2, "X" => 1, "Y" => 2, "Z" => 1
+  }
+
+  players_letters = []
+  alphabet = ("A".."Z").to_a
+  
+  until players_letters.length == 10
+    random_letter = alphabet.sample
+    if pool_of_letters[random_letter] && pool_of_letters[random_letter] > 0
+      players_letters << random_letter
+      pool_of_letters[random_letter] -= 1
+    end
+  end
+  return players_letters
+end
+
+# wave2 code
+def uses_available_letters?(input, letters_in_hand)
+  user_word = input.upcase.chars
+  word_hash = {}
+  user_word.each do |letter|
+    if word_hash["#{letter}"].nil?
+      word_hash["#{letter}"] = 1
+    else
+      word_hash["#{letter}"] += 1
+    end
+  end
+  
+  full_pile = {}
+  letters_in_hand.each do |letter|
+    if full_pile["#{letter}"].nil?
+      full_pile["#{letter}"] = 1
+    else
+      full_pile["#{letter}"] += 1
+    end
+  end
+  return word_hash.all? do |letter, count|
+    full_pile.has_key?(letter) && (full_pile[letter] >= word_hash[letter])
+  end
+end
+
+#Wave_3
+def score_word(word)
+  one_point_letter = %w[A E I O U L N R S T]
+  two_point_letter = %w[D G]
+  three_point_letter = %w[B C M P]
+  four_point_letter = %w[F H V W Y]
+  five_point_letter = %w[K]
+  eight_point_letter = %w[J X]
+  ten_point_letter = %w[Q Z]
+  
+  letters = word.upcase.chars
+  total = 0
+  letters.each do |score|
+    if one_point_letter.include?(score)
+      total += 1
+    elsif two_point_letter.include?(score)
+      total += 2
+    elsif three_point_letter.include?(score)
+      total += 3
+    elsif four_point_letter.include?(score)
+      total += 4
+    elsif five_point_letter.include?(score)
+      total += 5
+    elsif eight_point_letter.include?(score)
+      total += 8
+    elsif ten_point_letter.include?(score)
+      total += 10
+    end
+  end 
+  
+  extra_points = [7, 8, 9, 10]
+  if extra_points.include?(letters.length)
+    total += 8
+  end
+  return total
+end
+
+#wave_4
+def tie_breaker(old_word, new_word)
+  return old_word if old_word.length == 10
+  return new_word if new_word.length == 10
+  tie_breaker_length_array = [old_word, new_word]
+  winner = tie_breaker_length_array.min_by do |word|
+    word.length
+  end
+  return winner 
+end
+
+def highest_score_from(words)
+  winner = {
+    word: nil,
+    score: 0
+  }
+  words.each do |word|
+    total = score_word(word)
+    if total > winner[:score]
+      winner[:word] = word
+      winner[:score] = total
+    elsif winner[:score] == total
+      winner[:word] = tie_breaker(winner[:word], word)
+      winner[:score] = total
+    end
+  end 
+  return winner
+end
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