diff --git a/wordle.jl b/wordle.jl
index b51528e..42b77a2 100644
--- a/wordle.jl
+++ b/wordle.jl
@@ -18,6 +18,23 @@ function check_known(word, knowns)
     return true
 end
 
+function check_wrong(word, wrongs)
+    if isempty(wrongs)
+        return true
+    end
+
+    for wrong in wrongs
+        l, i = wrong
+        if word[i] == only(l)
+            return false
+        else
+            continue
+        end
+
+    end
+
+    return true
+end
 
 begin
     words = readdlm("wordle.txt")[:]
@@ -40,18 +57,26 @@ end
 # SERAI 3.52
 
 begin
-    banned = "pnisrblwgyox" |> collect
-    contained = "t" |> collect
-    knowns = "de..." |> collect |> enumerate
+    wrongs = []
+    banned = "erahiync" |> collect
+    contained = "ulp" |> collect
+    knowns = "s...." |> collect |> enumerate
+    wrongs = [('s', 5), ('u', 2), ('l', 3), ('p', 4)] # (letter, index)
+    @assert length(knowns) == 5
 
+    i = 0
     for word in words
         if any(occursin.(banned, word))
             continue
         end
         if all(occursin.(contained, word))
             if check_known(word, knowns)
-                println(word)
+                if check_wrong(word, wrongs)
+                    println(word)
+                    i += 1
+                end
             end
         end
     end
+    println("Possibilities: ", i)
 end