$\huge \mathscr{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

$\huge \mathfrak{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

$\huge \mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

$\huge \mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

$\huge \mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

$\huge \mathtt{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$