<chr_abbr type="reg" class="sc" expan="Qua" cert="no">Q-alpha</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>i <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr>por oir le<chr_var letter="s" var="long">∫</chr_var> <chr_abbr type="reg" class="ss" expan="com" cert="no">com</chr_abbr>te<chr_var letter="s" var="long">∫</chr_var> 