<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> pu<chr_abbr type="reg" class="dc" expan="ius" cert="no">i-nine</chr_abbr> <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> il li a re<chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var><chr_var letter="s" var="long">∫</chr_var>e 