L i grauier<chr_var letter="s" var="long">∫</chr_var> e<chr_var letter="s" var="long">∫</chr_var>t <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> biax <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> genz 