Upper case only.
$\mathscr{A}$, $\mathscr{B}$, $\mathscr{C}$, $\mathscr{D}$, $\mathscr{E}$, $\mathscr{F}$, $\mathscr{G}$, $\mathscr{H}$, $\mathscr{I}$, $\mathscr{J}$, $\mathscr{K}$, $\mathscr{L}$, $\mathscr{M}$, $\mathscr{N}$, $\mathscr{O}$, $\mathscr{P}$, $\mathscr{Q}$, $\mathscr{R}$, $\mathscr{S}$, $\mathscr{T}$, $\mathscr{U}$, $\mathscr{V}$, $\mathscr{W}$, $\mathscr{X}$, $\mathscr{Y}$, $\mathscr{Z}$
$\mathscr {A}$, $\mathscr {B}$, $\mathscr {C}$, $\mathscr {D}$, $\mathscr {E}$, $\mathscr {F}$, $\mathscr {G}$, $\mathscr {H}$, $\mathscr {I}$, $\mathscr {J}$, $\mathscr {K}$, $\mathscr {L}$, $\mathscr {M}$, $\mathscr {N}$, $\mathscr {O}$, $\mathscr {P}$, $\mathscr {Q}$, $\mathscr {R}$, $\mathscr {S}$, $\mathscr {T}$, $\mathscr {U}$, $\mathscr {V}$, $\mathscr {W}$, $\mathscr {X}$, $\mathscr {Y}$, $\mathscr {Z}$