<chr_abbr type="reg" class="dc" expan="" cert="no">P-til</chr_abbr> ce <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>i <chr_var letter="s" var="long">∫</chr_var>oldee<chr_abbr type="reg" class="dc" expan="" cert="no">mt-hbar</chr_abbr> 