<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>il aupa<chr_var letter="s" var="long">∫</chr_var><chr_var letter="s" var="long">∫</chr_var>age a<chr_abbr type="reg" class="ml" expan="pro" cert="no">pro2</chr_abbr>che. 