<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> io <chr_var letter="s" var="long">∫</chr_var>on <chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr>mande<chr_abbr type="reg" class="dc" expan="" cert="no">mt-hbar</chr_abbr> fac <chr_eol type="1" /> 