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<div class="language-c++ highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c1">// Use const because VOWELS won't change -- no need to declare repeatedly</span>
<span class="c1">// in isVowel.</span>
<span class="k">const</span> <span class="n">string</span> <span class="n">VOWELS</span> <span class="o">=</span> <span class="s">"aeiouy"</span><sp