<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> chantent <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> tumbent <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>aillent 