\begin{array}{ll}
\texttt{textrm}     & \textrm    {ABCabc} \\
\texttt{mathrm}     & \mathrm    {ABCabc} \\
\texttt{mathup}     & \mathup    {ABCabc} \\
\texttt{text}       & \text      {ABCabc} \\
\texttt{mbox}       & \mbox      {ABCabc} \\
\texttt{mathbf}     & \mathbf    {ABCabc} \\
\texttt{mathbfup}   & \mathbfup  {ABCabc} \\
\texttt{textbf}     & \textbf    {ABCabc} \\
\texttt{mathit}     & \mathit    {ABCabc} \\
\texttt{textit}     & \textit    {ABCabc} \\
\texttt{mathtt}     & \mathtt    {ABCabc} \\
\texttt{texttt}     & \texttt    {ABCabc} \\
\texttt{mathsf}     & \mathsf    {ABCabc} \\
\texttt{mathsfup}   & \mathsfup  {ABCabc} \\
\texttt{mathbb}     & \mathbb    {ABCabc} \\
\texttt{mathcal}    & \mathcal   {ABCabc} \\
\texttt{mathscr}    & \mathscr   {ABCabc} \\
\texttt{mathfrak}   & \mathfrak  {ABCabc} \\
\texttt{mathbfit}   & \mathbfit  {ABCabc} \\
\texttt{mathbfsfup} & \mathbfsfup{ABCabc} \\
\texttt{mathbfsfit} & \mathbfsfit{ABCabc} \\
\texttt{mathbfscr}  & \mathbfscr {ABCabc} \\
\texttt{mathbffrak} & \mathbffrak{ABCabc} \\
\texttt{mathbfcal}  & \mathbfcal {ABCabc} \\
\texttt{mathsfit}   & \mathsfit  {ABCabc}
\end{array}

