<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> cil dient <chr_abbr type="reg" class="dc" expan="nus" cert="no">n-nine</chr_abbr> ne <chr_var letter="s" var="long">∫</chr_var>a<chr_abbr type="reg" class="dc" expan="uno" cert="no">uo-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> 