diff --git a/otus-02/src/otus_02/homework/pangram.clj b/otus-02/src/otus_02/homework/pangram.clj
index dc5d34c..c8fe7a6 100644
--- a/otus-02/src/otus_02/homework/pangram.clj
+++ b/otus-02/src/otus_02/homework/pangram.clj
@@ -1,6 +1,15 @@
 (ns otus-02.homework.pangram
-  (:require [clojure.string :as string]))
+  (:require [otus-02.homework.palindrome :as pal]))
 
+(def alphabet-count 26)
 
-(defn is-pangram [test-string])
+(defn is-pangram [test-string]
+  (-> test-string
+      (pal/transform-string)
+      (set)
+      (count)
+      (== alphabet-count)))
 
+(comment
+  (is-pangram "The quick brown fox jumps over the lazy dog")
+  )