<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> elcor<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> deLauie em<chr_var letter="s" var="long">∫</chr_var>embl <chr_var letter="E" var="2">E2</chr_var>. 