diff --git a/u4/word_count.py b/u4/word_count.py
index 6da2abf..be1859c 100644
--- a/u4/word_count.py
+++ b/u4/word_count.py
@@ -1,19 +1,11 @@
 def count_words(sentence):
-    dict = {}
-    separators = [".", ",", ":", "!", "?", "\n", "\t", "'", " ", '"']
+    counts = {}
+    start = 0
+    for i, ch in enumerate(sentence + " "):
+        if not (ch.isalnum() or ch == "'"):
+            word = sentence[start:i].lower().strip("'")
+            start = i + 1
+            if word:
+                counts[word] = counts.get(word, 0) + 1
 
-    previous_i = 0
-    for i, chr  in enumerate(sentence):
-        if chr in separators:
-            word = sentence[previous_i:i]
-            previous_i = i + 1
-            word = word.lower().strip(" ")
-            if word in separators or word == "":
-                continue
-            if word in dict:
-                dict[word] = dict[word] + 1
-            else:
-                dict.update({word : 1})
-    return dict
-
-print(count_words("""To je heslo: 'HESLO 123'!", zvolala postava zo seriálu Panelák.\nPotom som utiekol."""))
\ No newline at end of file
+    return counts
\ No newline at end of file