<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> q<chr_abbr type="reg" class="sc" expan="uant" cert="no">nt-alpha</chr_abbr> uo<chr_var letter="s" var="long">∫</chr_var> len auroiz <chr_var letter="s" var="long">∫</chr_var>em<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var>. 