I can think of a programming language for 18 out of 26 of the letters of the Latin alphabet
Not sure if that is good or bad
Update: added Go and Zig, Æʃliŋ's suggestion
Update: added NPL, Holly Hoppet's suggestion
Ada
BASIC
C
D
Erlang
FORTH
Go
Haskell
INTERCAL
Julia
Kotlin
LISP
MATLAB
NPL
OCaml
Perl
[don't know]
Raku
S
TeX [I think you can write arbitrary programs in it? Even if it's inconvenient?]
[don't know]
VHDL [does that count as a programming language?]
[W, X, Y: I really don't know ]
Zig
@vaporeon_ some of these that i can think of here are sketchy but
@vaporeon_ XML is debatable because it is more than expurressive enough to, e.g., encode s-expurressions. XSLT has a stronger case fur it though