<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> aut<chr_abbr type="reg" class="dc" expan="er" cert="no">[apost]</chr_abbr>ibrer <chr_var letter="s" var="long">∫</chr_var>ere<chr_abbr type="reg" class="sc" expan="tra" cert="no">t-alpha</chr_abbr>uaille<chr_abbr type="reg" class="dc" expan="" cert="no">t-hbar</chr_abbr> 