<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> <chr_abbr type="reg" class="sc" expan="qua" cert="no">q-alpha</chr_abbr>t il <chr_var letter="s" var="long">∫</chr_var>t<chr_abbr type="reg" class="dc" expan="er" cert="no">[apost]</chr_abbr> ceu at<chr_abbr type="reg" class="dc" expan="er" cert="no">[apost]</chr_abbr>re 