\[
{\mathbb{Z}\textbf{unda}}{\textbf{m}\boldsymbol{\phi}}\phantom{\textbf{rphism}}\vphantom{\overrightarrow{\vphantom{Z}}}
\]
\[
\phantom{{\mathbb{Z}\textbf{unda}}{\textbf{m}\boldsymbol{\phi}}}\textbf{rphism}\vphantom{\overrightarrow{\vphantom{Z}}}
\]
\[
\phantom{\mathbb{Z}\textbf{unda}}\overrightarrow{\phantom{{\textbf{m}\boldsymbol{\phi}}\textbf{rphism}}}
\]