identifier">end</span><span class="special">(</span><span class="identifier">words</span><span class="special">),</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">begin</span><span class="special">(</span><span class="identifier">writer</span><span class="special">));</span>

<span class="identifier">output</span><span class="special">:</span>
           <span class="identifier">peas</span>       <span class="identifier">porridge</span>            <span clas