\mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ}

$\mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

\mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$\mathcal{A}\mathcal{BC}\mathcal{D}\mathcal{EFGH}\mathcal{I}\mathcal{J}\mathcal{K}\mathcal{LM}\mathcal{N}\mathcal{O}\mathcal{P}\mathcal{Q}\mathcal{R}\mathcal{S}\mathcal{T}\mathcal{U}\mathcal{V}\mathcal{W}\mathcal{X}\mathcal{Y}\mathcal{Z}$

\mathit{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$ABCDEFGHIJKLMNOPQRSTUVWXYZ$

\mathrm{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$\mathrm{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

\mathsf{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$\mathsf{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

\mathtt{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$\mathtt{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

\mathscr{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$\mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$

\mathfrak{ABCDEFGHIJKLMNOPQRSTUVWXYZ} 

$\mathfrak{ABCDEFGHIJKLMNOPQRSTUVWXYZ}$