XML Source

<aaa>
     <bbbbb/>
     <ccccc/>
     <ddd>
          <eeeee/>
          <fff/>
     </ddd>
</aaa>

Graphotron Source

<graphotron xmlns="http://zvon.org/graphotron" >
     <vertex match="//*[*]">
          <name select="name()"/>
     </vertex>
</graphotron>