\documentclass[12pt]{article}
\newcommand{\TIS}[0]{\mathsf{TIS}}
\newcommand{\SUF}[0]{\mathsf{SUF}}
\newcommand{\LCP}[0]{\mathsf{LCP}}
\newcommand{\BWT}[0]{\mathsf{BWT}}
\begin{document}
\[
 \begin{array}[t]{*{5}{|r}|l|}\hline
 i &\TIS &\SUF &\LCP &\BWT &S_{\SUF[i]} \\\hline\hline
 0 &a &0 &       &           &\texttt{aag...}
 \\\hline
 1 &a &14 &2 &\texttt{c} &\texttt{aatttg\symbol{36}}
 \\\hline
 2 &g &1 &1 &\texttt{a} &\texttt{ag...}
 \\\hline
 3 &c &15 &1 &\texttt{a} &\texttt{atttg\symbol{36}}
 \\\hline
 4 &t &13 &0 &\texttt{g} &\texttt{caatttg\symbol{36}}
 \\\hline
 5 &t &10 &1 &\texttt{g} &\texttt{ctgcaatttg\symbol{36}}
 \\\hline
 6 &g &7 &4 &\texttt{g} &\texttt{ctgct...}
 \\\hline
 7 &c &3 &2 &\texttt{g} &\texttt{ctt...}
 \\\hline
 8 &t &12 &0 &\texttt{t} &\texttt{gcaatttg\symbol{36}}
 \\\hline
 9 &g &9 &2 &\texttt{t} &\texttt{gctgca...}
 \\\hline
 10 &c &6 &5 &\texttt{t} &\texttt{gctgct...}
 \\\hline
 11 &t &2 &3 &\texttt{a} &\texttt{gctt...}
 \\\hline
 12 &g &19 &1 &\texttt{t} &\texttt{g\symbol{36}}
 \\\hline
 13 &c &11 &0 &\texttt{c} &\texttt{tgcaatttg\symbol{36}}
 \\\hline
 14 &a &8 &3 &\texttt{c} &\texttt{tgctgca...}
 \\\hline
 15 &a &5 &6 &\texttt{t} &\texttt{tgctgct...}
 \\\hline
 16 &t &18 &2 &\texttt{t} &\texttt{tg\symbol{36}}
 \\\hline
 17 &t &4 &1 &\texttt{c} &\texttt{ttgc...}
 \\\hline
 18 &t &17 &3 &\texttt{t} &\texttt{ttg\symbol{36}}
 \\\hline
 19 &g &16 &2 &\texttt{a} &\texttt{tttg\symbol{36}}
 \\\hline
 20 &  &20 &0 &\texttt{g} &\texttt{\symbol{36}}
 \\\hline
 \end{array}
\]
\end{document}
