diff --git a/conjugation/drill.html b/conjugation/drill.html
index d6b8745..532f83d 100644
--- a/conjugation/drill.html
+++ b/conjugation/drill.html
@@ -38,6 +38,119 @@
       <div id="history">
       </div>
   
+<!--
+      <div id="explanation">
+        <h2>Conjugations for group 1 verbs (godan)</h2>
+	<p>Group 1 (godan) verbs are those that, with a few exceptions, do not
+        end with an いる or える sound.</p>
+
+        <table class="syllabary">
+
+          <tr class="あ">
+            <td><div>ぱ</div><div>pa</div></td>
+            <td><div>ば</div><div>ba</div></td>
+            <td><div>だ</div><div>da</div></td>
+            <td><div>ざ</div><div>za</div></td>
+            <td><div>が</div><div>ga</div></td>
+            <td class="empty"></td>
+            <td><div>ん</div><div>n</div></td>
+            <td><div>わ</div><div>wa</div></td>
+            <td><div>ら</div><div>ra</div></td> 
+            <td><div>や</div><div>ya</div></td>
+            <td><div>ま</div><div>ma</div></td>
+            <td><div>は</div><div>ha</div></td>
+            <td><div>な</div><div>na</div></td>
+            <td><div>た</div><div>ta</div></td>
+            <td><div>さ</div><div>sa</div></td>
+            <td><div>か</div><div>ka</div></td>
+            <td><div>あ</div><div>a</div></td>
+          </tr>
+
+          <tr class="い">
+            <td><div>ぴ</div><div>pi</div></td>
+            <td><div>び</div><div>bi</div></td>
+            <td><div>ぢ</div><div>ji</div></td>
+            <td><div>じ</div><div>ji</div></td>
+            <td><div>ぎ</div><div>gi</div></td>
+            <td class="empty"></td>
+            <td class="empty"></td>
+            <td class="empty"></td>
+            <td><div>り</div><div>ri</div></td>
+            <td class="empty"></td>
+            <td><div>み</div><div>mi</div></td>
+            <td><div>ひ</div><div>hi</div></td>
+            <td><div>に</div><div>ni</div></td>
+            <td><div>ち</div><div>chi</div></td>
+            <td><div>し</div><div>shi</div></td>
+            <td><div>き</div><div>ki</div></td>
+            <td><div>い</div><div>i</div></td>
+          </tr>
+
+          <tr class="う">
+            <td><div>ぷ</div><div>pu</div></td>
+            <td><div>ぶ</div><div>bu</div></td>
+            <td><div>づ</div><div>zu</div></td>
+            <td><div>ず</div><div>zu</div></td>
+            <td><div>ぐ</div><div>gu</div></td>
+            <td class="empty"></td>
+            <td class="empty"></td>
+            <td class="empty"></td>
+            <td><div>る</div><div>ru</div></td>
+            <td><div>ゆ</div><div>yu</div></td>
+            <td><div>む</div><div>mu</div></td>
+            <td><div>ふ</div><div>fu</div></td>
+            <td><div>ぬ</div><div>nu</div></td>
+            <td><div>つ</div><div>tsu</div></td>
+            <td><div>す</div><div>su</div></td>
+            <td><div>く</div><div>ku</div></td>
+            <td><div>う</div><div>u</div></td>
+          </tr>
+
+          <tr class="え">
+            <td><div>ぺ</div><div>pe</div></td>
+            <td><div>べ</div><div>be</div></td>
+            <td><div>で</div><div>de</div></td>
+            <td><div>ぜ</div><div>ze</div></td>
+            <td><div>げ</div><div>ge</div></td>
+            <td class="empty"></td>
+            <td class="empty"></td>
+            <td class="empty"></td>
+            <td><div>れ</div><div>re</div></td>
+            <td class="empty"></td>
+            <td><div>め</div><div>me</div></td>
+            <td><div>へ</div><div>he</div></td>
+            <td><div>ね</div><div>ne</div></td>
+            <td><div>て</div><div>te</div></td>
+            <td><div>せ</div><div>se</div></td>
+            <td><div>け</div><div>ke</div></td>
+            <td><div>え</div><div>e</div></td>
+          </tr>
+
+          <tr class="お">
+            <td><div>ぽ</div><div>po</div></td>
+            <td><div>ぼ</div><div>bo</div></td>
+            <td><div>ど</div><div>do</div></td>
+            <td><div>ぞ</div><div>zo</div></td>
+            <td><div>ご</div><div>go</div></td>
+            <td class="empty"></td>
+            <td class="empty"></td>
+            <td><div>を</div><div>o</div></td>
+            <td><div>ろ</div><div>ro</div></td>
+            <td><div>よ</div><div>yo</div></td>
+            <td><div>も</div><div>mo</div></td>
+            <td><div>ほ</div><div>ho</div></td>
+            <td><div>の</div><div>no</div></td>
+            <td><div>と</div><div>to</div></td>
+            <td><div>そ</div><div>so</div></td>
+            <td><div>こ</div><div>ko</div></td>
+            <td><div>お</div><div>o</div></td>
+          </tr>
+
+        </table>
+
+      </div>
+
+-->
     </div>
 <!--
     <h2>Conjugator</h2>