<assign>
<audio>
<block>
<break>
<catch>
<choice>
<clear>
<data>
<desc>
<disconnect>
<else>
<elseif>
<emphasis>
<enumerate>
<error>
<example>
<exit>
<field>
<filled>
<foreach>
<form>
<goto>
<grammar>
<help>
<if>
<initial>
<item>
<lexicon>
<link>
<log>
<mark>
<menu>
<meta>
<metadata>
<noinput>
<nomatch>
<one-of>
<option>
<paragraph>
<param>
<phoneme>
<prompt>
<property>
<prosody>
<record>
<reprompt>
<return>
<rule>
<ruleref>
<say-as>
<script>
<sentence>
<speak>
<sub>
<subdialog>
<submit>
<tag>
<throw>
<token>
<transfer>
<value>
<var>
<voice>
<vxml>