diff --git a/lib/adagrams.rb b/lib/adagrams.rb
index e69de29..7ea7005 100644
--- a/lib/adagrams.rb
+++ b/lib/adagrams.rb
@@ -0,0 +1,171 @@
+# Ga-Young Jin, Raisah Vesteinsdottir Cohort 12
+# Monday, August 12th, 2019
+# Week 2, Adagram Project
+
+require 'csv'
+SIZE_OF_HAND = 10
+
+# wave-1
+def draw_letters
+  letter_dist = {  # given distribution 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
+  }
+  
+  # putting all available letters into one array
+  all_letters = []
+  
+  letter_dist.each do |letter, quantity|
+    quantity.times do
+      all_letters << letter.to_s
+    end
+  end
+  
+  # create randomized hand
+  shuffled_all_letters = all_letters.shuffle 
+  hand = []
+  
+  SIZE_OF_HAND.times do |i|
+    hand << shuffled_all_letters[i]
+  end
+  return hand
+end
+
+# wave-2
+def uses_available_letters?(input, letters_in_hand)
+  input_as_array = input.upcase.split("") 
+  hand_in_hash = {}
+  
+  # determines if string is longer than size of hand
+  return false if input_as_array.length > SIZE_OF_HAND
+  
+  # converts letters_in_hand array to hash
+  letters_in_hand.each do |char|
+    if hand_in_hash.has_key?(char) == true
+      hand_in_hash[char] += 1
+    else
+      hand_in_hash[char] = 1
+    end
+  end
+  
+  # determines if letters in string are present in hand
+  input_as_array.each do |char|    
+    if hand_in_hash.has_key?(char) == true
+      hand_in_hash[char] -= 1
+    else
+      return false
+    end
+  end
+  
+  return hand_in_hash.values.min < 0 ? false : true
+end
+
+# wave-3
+def score_word(word)
+  word_as_array = word.upcase.split("") 
+  
+  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
+  }
+  
+  # calculate score based on letters in word
+  score = 0
+  word_as_array.each do |char|
+    score += score_chart[char.to_sym]
+  end
+  
+  score += 8 if word.length > 6
+  
+  return score
+end
+
+# wave-4
+def highest_score_from(words)
+  winning_word_score = {word: "", score: 0}
+  highest_score = {word: [], score: 0}
+  
+  # save highest score and word(s) into hash
+  words.each do |word|
+    score_of_word = score_word(word)
+    if highest_score[:score] < score_of_word
+      highest_score[:score] = score_of_word
+      highest_score[:word] = [word]
+    elsif highest_score[:score] == score_of_word
+      highest_score[:word] << word
+    end
+  end
+  
+  winning_word_score[:score] = highest_score[:score]
+  
+  # determines winning word in case of score tie
+  if highest_score[:word].length == 1
+    winning_word_score[:word] = highest_score[:word][0]
+  elsif highest_score[:word].length > 1
+    if highest_score[:word].max_by{|x| x.length}.length == 10
+      winning_word_score[:word] = highest_score[:word].max_by{|x| x.length}
+    else 
+      winning_word_score[:word] = highest_score[:word].min_by{|x| x.length}
+    end
+  end
+  
+  return winning_word_score
+end
+
+# wave-5
+# checking to see if word input is a real word
+def is_in_english_dict?(input)
+  CSV.open("assets/dictionary-english.csv").each do |word|
+    return true if input == word[0]
+  end
+  
+  return false
+end