\glossarysection[\glossarytoctitle]{\glossarytitle}\glossarypreamble
\begin{theglossary}\glossaryheader
\glsgroupheading{E}\relax \glsresetentrylist %
\glossentry{elephant}{\glossaryentrynumbers{\relax 
		\setentrycounter[]{page}\glsnumberformat{2}}}\glsgroupskip
\glsgroupheading{T}\relax \glsresetentrylist %
\glossentry{tiger}{\glossaryentrynumbers{\relax 
		\setentrycounter[]{page}\glsnumberformat{2}}}%
\end{theglossary}\glossarypostamble