diff --git a/lib/adagrams.rb b/lib/adagrams.rb
index e69de29..b97914c 100644
--- a/lib/adagrams.rb
+++ b/lib/adagrams.rb
@@ -0,0 +1,99 @@
+# This is our data structure
+pool = ["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
+POOL = pool
+
+# WAVE#1
+def draw_letters
+  letters_in_hand = POOL
+  return letters_in_hand.sample(10)
+end
+
+# WAVE#2:
+def uses_available_letters?(word, letters_in_hand)
+  hand_hash = letters_in_hand.uniq.map { |x| [x, letters_in_hand.count(x)] }.to_h
+  word_array = word.upcase.split("")
+  letter_check = []
+
+  word_array.map do |letter|
+    if hand_hash[letter].class == Integer
+      if hand_hash[letter] >= 1
+        hand_hash[letter] -= 1
+        letter_check << "True"
+      elsif hand_hash[letter] == 0
+        letter_check << "False"
+      end
+    else
+      letter_check << "False"
+    end
+  end
+  return letter_check.include?("False") ? false : true
+end
+
+# WAVE#3
+def score_word(word)
+  score_chart = {
+    "A" => 1,
+    "E" => 1,
+    "I" => 1,
+    "O" => 1,
+    "U" => 1,
+    "L" => 1,
+    "N" => 1,
+    "R" => 1,
+    "S" => 1,
+    "T" => 1,
+    "D" => 2,
+    "G" => 2,
+    "B" => 3,
+    "C" => 3,
+    "M" => 3,
+    "P" => 3,
+    "F" => 4,
+    "H" => 4,
+    "V" => 4,
+    "W" => 4,
+    "Y" => 4,
+    "K" => 5,
+    "J" => 8,
+    "X" => 8,
+    "Q" => 10,
+    "Z" => 10
+  }
+  score = 0
+  word_array = word.upcase.split("")
+  print word_array
+  
+  word_array.map do |letter|
+    score += score_chart[letter]
+  end
+
+  if word_array.length == 7 || word_array.length == 8 || word_array.length == 9 || word_array.length == 10
+    score += 8
+  end
+
+  return score
+end
+
+# WAVE#4
+def highest_score_from(words)
+  scores = words.map do |word|
+    score_word(word)
+  end
+  highest_score = scores.max
+  p scores
+
+  winner = nil
+  words_with_scores = words.zip(scores)
+  winning_words_with_scores = words_with_scores.select {| word, score | score == highest_score }
+  winning_words = winning_words_with_scores.map {| word, score| word }
+
+  winning_words.each do |word|
+    if word.length == 10
+      winner = word
+      return {word: winner, score: highest_score}
+    else 
+      winner = winning_words.min {|x,y| x.size <=> y.size}
+    end
+  end
+  return {word: winner, score: highest_score}
+end
\ No newline at end of file
diff --git a/test/adagrams_test.rb b/test/adagrams_test.rb
index 90ec44d..83b746d 100644
--- a/test/adagrams_test.rb
+++ b/test/adagrams_test.rb
@@ -7,6 +7,7 @@
 # Get that nice colorized output
 Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new
 
+# wave 1
 describe 'Adagrams' do
   describe 'draw_letters method' do
     it 'draws ten letters from the letter pool' do
@@ -26,6 +27,7 @@
     end
   end
 
+  # wave 2
   describe 'uses_available_letters? method' do
 
     it 'returns true if the submitted letters are valid against the drawn letters' do
@@ -67,6 +69,7 @@
     end
   end
 
+  # wave 3
   describe 'score_word method' do
     it 'returns an accurate numerical score according to the score chart' do
       expect(score_word("A")).must_equal 1
@@ -91,6 +94,7 @@
     end
   end
 
+  # wave 4
   describe 'highest_score_from method' do
     it 'returns a hash that contains the word and score of best word in an array' do
       words = ['X', 'XX', 'XXX', 'XXXX']
@@ -143,7 +147,8 @@
       # verify both have a score of 10
       expect(score_word(words.first)).must_equal 18
       expect(score_word(words.last)).must_equal 18
-
+      require "pry"
+      binding.pry
       best_word = highest_score_from words
 
       expect(best_word[:word]).must_equal 'AAAAAAAAAA'