The above picture is what I'm attempting to replicate. Below is what I've managed to recreate so far. How would I reduce the vertical space on the Consonants, Vowels, Stops rows and connect the rows Semi vowel through Pure Nasal to the alphabet at the bottom?
\begin{table}[]
\centering
% \caption{My caption}
% \label{my-label}
\resizebox{\textwidth}{!}{%
\renewcommand{\arraystretch}{1.2}% Tighter
\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|}
\hline
\multirow{3}{*}{Place of Articulation} & \multicolumn{11}{c|}{Manner of Articulation} \\ \cline{2-12}
& \multicolumn{7}{c|}{Consonants} & \multicolumn{3}{c|}{Vowels} & \vtop{\hbox{\strut Pure}\hbox{\strut Nasal}} \\ \cline{2-11}
& \multicolumn{5}{c|}{Stops} & \vtop{\hbox{\strut Semi}\hbox{\strut vowel}\hbox{\strut (voiced)}} & \vtop{\hbox{\strut Sibilant}\hbox{\strut (voiceless)}} & \vtop{\hbox{\strut S}\hbox{\strut h}\hbox{\strut o}\hbox{\strut r}\hbox{\strut t}} & \vtop{\hbox{\strut L}\hbox{\strut o}\hbox{\strut n}\hbox{\strut g}} & Compound \\ \cline{2-6}
& \vtop{\hbox{\strut Voiceless}\hbox{\strut non-}\hbox{\strut aspirate}} & \vtop{\hbox{\strut Voiceless}\hbox{\strut aspirate}} & \vtop{\hbox{\strut Voiced}\hbox{\strut non-}\hbox{\strut aspirate}} & \vtop{\hbox{\strut Voiced}\hbox{\strut aspirate}} & \vtop{\hbox{\strut Voiced}\hbox{\strut nasal}} \\ \hline
Gutturals & k & kh & g & gh & ṅ & h & & a & ā & e & \\ \cline{1-8} \cline{9-11}
Palatals & c & ch & j & jh & ñ & y & & i & ī & & \\ \cline{1-8} \cline{9-10}
Cerebrals & ṭ & ṭh & ḍ & ḍh & ṇ & r / l / ḷh & & & & & m \\ \cline{1-8}
Dentals & t & th & d & dh & n & l & s & & & & \\ \cline{1-11}
Labials & p & ph & b & bh & m & v & & u & ū & o & \\ \hline
\end{tabular}}
\end{table}
