<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> di<chr_var letter="s" var="long">∫</chr_var>t <chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr>gie <chr_abbr type="reg" class="dc" expan="" cert="no">p-hbar</chr_abbr>nd<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr> me<chr_var letter="s" var="long">∫</chr_var>tuet 