What makes this set of two-letter combinations unique?
Ne
Al
Ar
Ca
Sc
Mn
Co
Ga
Mo
In
Pa
La
Nd
Mt
Md
Fl
They are state abbreviations and elements?
Yepper
Either that or none of those TLAs have ever been in the OP’s kitchen.
Rightio!
TLA is often used for “Three Letter Abbreviations” but in this case I’m high.