/code></pre></div></div>

<h2 id="testing-testing-testing">Testing, testing, testing</h2>
<p>With this draft implementation of <code class="language-c++ highlighter-rouge"><span class="n">lettersOnly</span></code>, the next step is to test it. Our starter code includes some provided tests to get you started. Run the program and when prompted, select the option from the menu for tests from <code class="language-c++ highlighter-rouge"><span class="n">soundex</span><span class="p">.</span><span class="n">cpp</