Here's a short list of safe seeds and nuts
"Pine nuts
Quinoa
Peanuts (monkey nuts)
Walnuts
Sweet almonds (deshelled; NOT bitter)
Brazil nuts
Beech nuts
Millet
Hazelnuts
Pecans
Pistachios
Cashews
Flax seeds
Chia seeds
Sunflower seeds
Pumpkin seeds
Sesame seeds
Chestnuts
Niger seeds"
If you have any seeds/nuts in particular you're curious about, ask and we can specify! There are definitely more out there, these are the only ones I know off the top of my head