diff --git a/Makefile b/Makefile
index 001523c..e22c606 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,13 @@
 WORD_LENGTH=5
-MIN_FREQUENCY=1
+VALID_ANSWER_FREQ_MIN=10
+VALID_INPUT_FREQ_MIN=1
 SOURCE_WORDLIST=1_1_all_fullalpha.txt
 ALLOWED_TYPELIST=allowed_types
 
 all: wordlist.js .SUBMODULES
 
 wordlist.js: 
-	./scripts/gen_wordlist.py ${SOURCE_WORDLIST} ${WORD_LENGTH} ${MIN_FREQUENCY} ${ALLOWED_TYPELIST} > wordlist.js
+	./scripts/gen_wordlist.py ${SOURCE_WORDLIST} ${WORD_LENGTH} ${VALID_ANSWER_FREQ_MIN} ${VALID_INPUT_FREQ_MIN} ${ALLOWED_TYPELIST} > wordlist.js
 
 clean:
 	rm -rf wordlist.js
diff --git a/allowed_types b/allowed_types
index 4a5eae9..301bacb 100644
--- a/allowed_types
+++ b/allowed_types
@@ -7,4 +7,5 @@ verb
 pron
 conj
 noc
+vmod
 @
diff --git a/game.js b/game.js
index acbdc28..5589891 100644
--- a/game.js
+++ b/game.js
@@ -1,7 +1,7 @@
 // global constants
 const gridWidth = 5
 const gridHeight = 6
-const word = wordlist[Math.floor(Math.random()*wordlist.length)];
+const word = wordlist.valid_answers[Math.floor(Math.random()*wordlist.valid_answers.length)];
 
 // global state variables
 var gameCompleted = null
@@ -42,7 +42,7 @@ function checkGridRow() {
     getGridRow(row).items.forEach(item => rowWord += item.letter)
 
     console.log(rowWord)
-    if (!wordlist.includes(rowWord)) {
+    if (!wordlist.valid_inputs.includes(rowWord)) {
         body.classList.add("incorrect")
         setTimeout( () => body.classList.remove("incorrect"), 500)
         return
diff --git a/scripts/gen_wordlist.py b/scripts/gen_wordlist.py
index 6708cc6..f1ac363 100755
--- a/scripts/gen_wordlist.py
+++ b/scripts/gen_wordlist.py
@@ -9,11 +9,11 @@ class WordListItem:
 
         self.word = word[1] if word[1].isalpha() else word[3]
         self.pos = word[2]
-        self.frequency = int(word[4])
+        self.freq = int(word[4])
 
 
     def __repr__(self):
-        return f"<WordListItem {self.word=} {self.pos=} {self.frequency=}>"
+        return f"<WordListItem {self.word=} {self.pos=} {self.freq=}>"
 
 
 def get_args():
@@ -23,7 +23,8 @@ def get_args():
     parser = argparse.ArgumentParser()
     parser.add_argument('wordlist')
     parser.add_argument('word_length', type=int)
-    parser.add_argument('frequency_min', type=int)
+    parser.add_argument('valid_answer_freq_min', type=int)
+    parser.add_argument('valid_input_freq_min', type=int)
     parser.add_argument('allowedtypelist')
     return parser.parse_args()
 
@@ -36,22 +37,24 @@ def main(args):
 
     types = set()
     with open(args.wordlist) as fp:
-        words = [ WordListItem(line) for line in fp.read().strip().lower().split('\n') ]
+        src_words = [ WordListItem(line) for line in fp.read().strip().lower().split('\n') ]
 
-    [ types.add(word.pos) for word in words ]
+    src_words = [ word for word in src_words if word.word.isalpha() ]
+    src_words = [ word for word in src_words if len(word.word) == args.word_length ]
+    src_words = [ word for word in src_words if word.pos in allowed_types ]
 
-    words = [ word.word for word in words if word.frequency >= args.frequency_min and word.word.isalpha() and len(word.word) == args.word_length and word.pos in allowed_types ]
+    [ types.add(word.pos) for word in src_words ]
+
+    words = {}
+    words['valid_answers'] = [ w.word for w in src_words if w.freq >= args.valid_answer_freq_min ]
+    words['valid_inputs'] = [ w.word for w in src_words if w.freq >= args.valid_input_freq_min ]
 
-    words.sort()
     # remove duplicates
-    words = list(set(words))
     print(f"wordlist = {json.dumps(words)}")
     print(f"{args=}", file=sys.stderr)
-    print(f"{len(words)=}", file=sys.stderr)
+    print(f"{len(words['valid_answers'])=}", file=sys.stderr)
+    print(f"{len(words['valid_inputs'])=}", file=sys.stderr)
     print(f"{types=}", file=sys.stderr)
-    print(f"{'cares' in words=}", file=sys.stderr)
-    print(f"{'ideas' in words=}", file=sys.stderr)
-    print(f"{'prose' in words=}", file=sys.stderr)
 
     return 0