diff --git a/Conversion/Converter.cs b/Conversion/Converter.cs
index 644bf18..c295e49 100644
--- a/Conversion/Converter.cs
+++ b/Conversion/Converter.cs
@@ -16,7 +16,11 @@ namespace silverworker_discord.Conversion
 {
     public static class Converter
     {
-
+        public static string DebugInfo(){
+            var convertibles = knownConversions.Select(kc => kc.Item1).Union(knownConversions.Select(kc => kc.Item2)).Union(
+                knownAliases.Keys.SelectMany(k => k)).Distinct();
+            return $"{convertibles.Count()} convertibles; {string.Join(", ", convertibles)}";
+        }
         private delegate decimal Convert1Way(decimal input);
         private static string currencyPath;
         private static ExchangePairs currencyConf = null;
@@ -82,6 +86,7 @@ namespace silverworker_discord.Conversion
                 {
                     knownAliases.Add(new List<string>() { rate.Key.ToLower() }, rate.Key);
                     AddLinearPair(currencyConf.Base, rate.Key, rate.Value);
+                    Console.WriteLine($"{rate.Key.ToLower()} alias of {rate.Key}");
                 }
             }
         }
@@ -133,15 +138,9 @@ namespace silverworker_discord.Conversion
         }
         private static string normalizeUnit(string unit)
         {
+            if(string.IsNullOrWhiteSpace(unit))
+                return null;
             var normalizedUnit = unit.ToLower();
-            if (normalizedUnit.EndsWith("es"))
-            {
-                normalizedUnit = normalizedUnit.Substring(0, normalizedUnit.Length - 2);
-            }
-            else if (normalizedUnit.EndsWith('s'))
-            {
-                normalizedUnit = normalizedUnit.Substring(0, normalizedUnit.Length - 1);
-            }
             if (knownConversions.FirstOrDefault(c => c.Item1 == normalizedUnit || c.Item2 == normalizedUnit) != null)
             {
                 return normalizedUnit;
@@ -154,6 +153,14 @@ namespace silverworker_discord.Conversion
                     return knownAliases[key];
                 }
             }
+            if (normalizedUnit.EndsWith("es"))
+            {
+                return normalizeUnit(normalizedUnit.Substring(0, normalizedUnit.Length - 2));
+            }
+            else if (normalizedUnit.EndsWith('s'))
+            {
+                return normalizeUnit(normalizedUnit.Substring(0, normalizedUnit.Length - 1));
+            }
             return null;
         }
         private static IEnumerable<string> exhaustiveBreadthFirst(string dest, IEnumerable<string> currentPath)
diff --git a/Program.cs b/Program.cs
index 59a4898..dc24822 100644
--- a/Program.cs
+++ b/Program.cs
@@ -211,7 +211,8 @@ namespace silverworker_discord
                     }
                     if (Regex.IsMatch(msgText, "!pulse ?check\\b"))
                     {
-                        message.Channel.SendFileAsync("assets/ekgblip.png");
+                        //message.Channel.SendFileAsync("assets/ekgblip.png");
+                        Console.WriteLine(Conversion.Converter.DebugInfo());
                     }
                     if (msgText.Contains("cognitive dissonance") == true)
                     {