simple width: 2ch is not converted and it will still display whole string.
<html>
<head></head>
<body style="color: #1e1e1e;font-family: helvetica, arial, sans-serif;font-size: 12pt;">
<p><span style="color:#ffffff;font-family:monospace;text-wrap:nowrap;display:inline-block;width:2ch;overflow:hidden">\2iNwto\</span>test1</p>
<p><span style="color:#ffffff;font-family:monospace;text-wrap:nowrap;display:inline-block;width:2ch;overflow:hidden">\2Vrbu\</span>test1</p>
<p><span style="color:#ffffff;font-family:monospace;text-wrap:nowrap;display:inline-block;width:2ch;overflow:hidden" >\PSbui\</span>test1</p>
<p><span style="color:#ffffff;font-family:monospace;text-wrap:nowrap;display:inline-block;width:2ch;overflow:hidden">\gizS9\</span>test1</p>
</body>
</html>