<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> il uien<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>t tot ma<chr_abbr type="" class="" expan="" cert="no">[apost]</chr_abbr>iten<chr_abbr type="reg" class="dc" expan="ant" cert="no">at-hbar</chr_abbr> 