diff --git a/fw/README.md b/fw/README.md
index 4cf4a04..e14b043 100644
--- a/fw/README.md
+++ b/fw/README.md
@@ -15,5 +15,5 @@ tested natively on a Mac. *For key press detection on Mac, you'll need to give a
 
 1. Run `python3 bundle.py` from this directory. This will create a `bundle` directory, which will copy all required files into folders to be loaded onto each board.
 2. Find the directory with your board's name in the `bundle` directory. Copy all files/subdirectories onto your CircuitPython device.
-3. If your board's `bundle` directory contains a `lib` subdirectory, you may have to manually copy some third-party libraries into it. The `lib` subdirectory will contain a README listing all of the required dependencies. Official CircuitPython libraries available [here](https://circuitpython.org/libraries). As of May 2021, I have been using Bundle version 6.x.
-4. If you're using the `macos` version, execute `python3 code.py` from the `bundle/macos` directory.
\ No newline at end of file
+3. If your board requires third-party libraries to run this code (most do), you may have to manually copy them. Each board's `bundle` directory will contain a README listing all of the required dependencies. Official CircuitPython libraries available [here](https://circuitpython.org/libraries). As of May 2021, I have been using Bundle version 6.x.
+4. If you're using the `macos` version, execute `python3 code.py` from the `bundle/macos` directory. You'll have to `pip3 install pynput` as well.
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diff --git a/fw/core/code.py b/fw/core/code.py
index 335754c..0d4bd10 100644
--- a/fw/core/code.py
+++ b/fw/core/code.py
@@ -89,19 +89,6 @@ def __init__(self, keys, words, pres):
     def __str__(self):
         return f'keys: {self.keys}, words: {self.words}, pres: {self.pres}'
 
-# Choose mode based on held keys at startup
-if ('1' in keypad.pressed_keys):
-    leds.show_red()
-    run_numeric_mode()
-elif ('2' in keypad.pressed_keys):
-    leds.show_green()
-    run_macro_mode()
-else:
-    leds.show_blue()
-
-# Flag to indicate to our main loop that we want to start a new word
-force_break_word = False
-
 keypad_dict = {
     '1' : ['1'],
     '2' : ['a', 'b', 'c'],
@@ -116,11 +103,45 @@ def __str__(self):
     '#' : ['.', ',', '?', '!']
 }
 
+def error_mode():
+    print("ERROR!")
+    while True:
+        time.sleep(0.01)
+        pass
+
+reverse_key_dict = { }
+for k, l in keypad_dict.items():
+    for c in l:
+        reverse_key_dict[c] = k
+
 # TODO - read in word list from txt file, build this dict dynamically.
-priority_words = {
-    4: "i",
-    46: "in"
-}
+priority_words = { }
+try:
+    with open("priority_words.txt", "r") as fp:
+        for line in fp.readlines():
+            line = line.strip().lower()
+            key_seq = ""
+            for c in line:
+                key = reverse_key_dict.get(c)
+                if key is None:
+                    error_mode()
+                key_seq = key_seq + key
+            priority_words[key_seq] = line       
+except IOError:
+    pass
+
+# Choose mode based on held keys at startup
+if ('1' in keypad.pressed_keys):
+    leds.show_red()
+    run_numeric_mode()
+elif ('2' in keypad.pressed_keys):
+    leds.show_green()
+    run_macro_mode()
+else:
+    leds.show_blue()
+
+# Flag to indicate to our main loop that we want to start a new word
+force_break_word = False
 
 # given a file and location in that file, read a 24bit unsigned int
 def read_int(file, offset):
@@ -163,7 +184,7 @@ def get_words(file, input, last_result):
                 output_prefixes.append(test_word)
             elif result == WORD:
                 output_words.append(test_word)
-    return Results((last_result.keys * 10) + int(input), output_words, output_prefixes)
+    return Results(last_result.keys + input, output_words, output_prefixes)
 
 # if old_word has been typed, and new_word should replace it - how many chars to we need to replace?
 # ex: uncommon_chars("catch", "cab") == 3
@@ -284,7 +305,7 @@ def poll_keys():
     while True:
         word_index = 0
         current_word = ""
-        last_result = Results(0, [""], [])
+        last_result = Results("", [""], [])
         results = [ last_result ]
         result_index = 0
         while True:
diff --git a/fw/core/priority_words.txt b/fw/core/priority_words.txt
new file mode 100644
index 0000000..977ede1
--- /dev/null
+++ b/fw/core/priority_words.txt
@@ -0,0 +1,11 @@
+i
+in
+to
+my
+is
+no
+of
+be
+as
+it
+so
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diff --git a/fw/macos/led.py b/fw/macos/led.py
index 7f67140..ca05685 100644
--- a/fw/macos/led.py
+++ b/fw/macos/led.py
@@ -3,10 +3,13 @@ def __init__(self):
         self.color = None
     
     def show_red(self):
+        print("set led to red")
         self.color = 'r'
 
     def show_green(self):
+        print("set led to green")
         self.color = 'g'
 
     def show_blue(self):
+        print("set led to blue")
         self.color = 'b'
\ No newline at end of file
diff --git a/fw/tiny2040/lib/README.md b/fw/tiny2040/README.md
similarity index 81%
rename from fw/tiny2040/lib/README.md
rename to fw/tiny2040/README.md
index a8ae4a6..a097243 100644
--- a/fw/tiny2040/lib/README.md
+++ b/fw/tiny2040/README.md
@@ -1,5 +1,5 @@
 ## Required (Circuit/Micro)Python Libraries:
-**Make sure the following files are in this folder, on your microcontroller**
+**Make sure the following files are in a folder called `lib`, on your microcontroller**
 * adafruit_hid
     * `adafruit_hid/__init__.mpy`
     * `adafruit_hid/consumer_control_code.mpy`