<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>i uo<chr_var letter="s" var="long">∫</chr_var> preig qui <chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr>l <chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>nuit. 