<chr_var letter="S" var="1">S1</chr_var> i le<chr_var letter="s" var="long">∫</chr_var> alument .<chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> e<chr_var letter="s" var="long">∫</chr_var>pren<chr_abbr type="reg" class="dc" expan="en" cert="no">e-hbar</chr_abbr>t. 