<chr_var letter="N" var="1">N1</chr_var> ul h<chr_abbr type="reg" class="dc" expan="on" cert="no">o-hbar</chr_abbr>me t<chr_abbr type="reg" class="dc" expan="an" cert="no">a-hbar</chr_abbr>t fu<chr_var letter="s" var="long">∫</chr_var>t fort nefier<chr_var letter="s" var="long">∫</chr_var>. 