<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> lipon<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr>ert en<chr_abbr type="reg" class="sc" expan="tra" cert="no">t-alpha</chr_abbr>uer<chr_var letter="s" var="long">∫</chr_var> 