taining only ASCII  characters. <p>
 
 This method is meant to be used when creating RFC 822 "phrases".
 The InternetAddress class, for example, uses this to encode
 it's 'phrase' component.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>word</code> - Unicode string</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Array of Unicode strings containing only US-ASCII 
                characters.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https