<?xml version="1.0" encoding="utf-8"?>
<informaltable>
<tgroup cols="2" align="left" colsep="1" rowsep="1">
<tbody>
<row>
 <entry>Minor second: 1</entry>
 <entry>Perfect fourth: 2</entry>
 <entry>Major sixth: 3</entry>
 <entry>Minor ninth: 4</entry>
</row>
<row>
 <entry>Major second: q</entry>
 <entry>Tritonus: w</entry>
 <entry>Minor seventh: e</entry>
 <entry>Major ninth: r</entry>
</row>
<row>
 <entry>Minor third: a</entry>
 <entry>Perfect fith: s</entry>
 <entry>Major seventh: d</entry>
 <entry>Minor decim: f</entry>
</row>
<row>
 <entry>Major third: z</entry>
 <entry>Minor sixth: x</entry>
 <entry>Perfect octave: c</entry>
 <entry>Major decim: v</entry>
</row>
</tbody>
</tgroup>
</informaltable>
