\cite{ } \bibitem{ }{} \shortcite{ } \begin{thebibliography}{99} \end{thebibliography} \left( \right) \left[ \right] \left\{ \right\} \left\langle \right\rangle \input{ } \cos{ } e^{ } \exp{ } \log{ } \log_{10}{ } \sin{ } \alpha \beta \varepsilon \gamma \lambda \rho \tau \chapter{ } \chapter*{ } \section{ } \section*{ } \subsection{ } \subsection*{ } \subsubsection{ } \subsubsection*{ } \paragraph{ } \appendix \begin{description} \end{description} \begin{enumerate} \end{enumerate} \begin{itemize} \end{itemize} \item[ ] \item $$ $$ $ $ \frac{ }{} \int\limits_{ }^{} \int_{ }^{} \sum\limits_{ }^{} \sum_{ }^{} \label{ } {\protect\ref{ }} \ll \le \ge \gg \mathrm{and} \mathrm{const} \frac{\partial{ }^2}{\partial t^2} \dagger \frac{{\mathrm{d}} }{{\mathrm{d}}t} \frac{\partial }{\partial t} \equiv -- --- \infty \quad\mathrm{,} \quad\mathrm{.} \quad \qquad \simeq \star \textbf{ } \texttt{ } \textit{ } \textsl{ } \emph{ } \mbox{ } \footnote{ }