Finished ui and added shebang

main.py

@@ -1,3 +1,4 @@
+#!/usr/bin/python
 import re
 import itertools
 from spellchecker import SpellChecker
@@ -14,3 +15,16 @@ def canidates(letters, min=2, max=5):
 def filter_pos(pos, regex):
     pat = re.compile(regex)
     return list(filter(pat.match,pos))
+
+while True:
+    letters = input('Enter letters: ')
+    pos = canidates(letters)
+    inp = None
+    while inp not in (":quit:",":new:"):
+        if inp is not None:
+            for word in filter_pos(pos, inp):
+                print(word)
+        prompt = "Enter pattern, ':new:' for new letters, or ':quit:' to exit: "
+        inp = input(prompt)
+    if inp == ":quit:":
+        break