<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>e<chr_var letter="s" var="long">∫</chr_var> fiu<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr> tot le <chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr>t<chr_abbr type="reg" class="sc" expan="rra" cert="no">r-alpha</chr_abbr>ire 