J e <chr_var letter="s" var="long">∫</chr_var>ai <chr_abbr type="frq" class="ct" expan="molt" cert="no">ml[apost]t</chr_abbr> b<chr_abbr type="reg" class="dc" expan="" cert="no">n-hbar</chr_abbr> co <chr_abbr type="reg" class="dc" expan="que" cert="no">q-hbar</chr_abbr> il pen<chr_var letter="s" var="long">∫</chr_var>e 