S el <chr_var letter="s" var="long">∫</chr_var>ache <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> tire <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>i le<chr_var letter="s" var="long">∫</chr_var>traint 