<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> <chr_abbr type="reg" class="dc" expan="" cert="no">p-til</chr_abbr> celi <chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr>l fi<chr_var letter="s" var="long">∫</chr_var>t <chr_var letter="s" var="long">∫</chr_var>amere 