<chr_abbr type="frq" class="ss" expan="et" cert="yes">et2</chr_abbr> tot lem<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> tu pora<chr_var letter="s" var="long">∫</chr_var> 