<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> lor<chr_var letter="s" var="long">∫</chr_var> li m<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>bre. <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>ouient. 