<chr_abbr type="reg" class="dc" expan="Vus" cert="no">V-nine</chr_abbr> <chr_abbr type="reg" class="dc" expan="" cert="no">co-hbar</chr_abbr>iur <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> re<chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr>er <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> pri 