] 26</span></span>
<span id="cb33-13"><a href="#cb33-13" tabindex="-1"></a><span class="fu">str_sort</span>(letters)</span>
<span id="cb33-14"><a href="#cb33-14" tabindex="-1"></a><span class="co">#&gt;  [1] &quot;a&quot; &quot;b&quot; &quot;c&quot; &quot;d&quot; &quot;e&quot; &quot;f&quot; &quot;g&quot; &quot;h&quot; &quot;i&quot; &quot;j&quot; &quot;k&quot; &quot;l&quot; &quot;m&quot; &quot;n&quot; &quot;o&quot; &quot;p&quot; &quot;q&quot; &quot;r&quot; &quot;s&quot;</span></span>
<span id="cb33-15"><a hr