We have similar allergies.
I do a carb - sandwich, wrap, pita, crackers, pasta, rice cakes. With a filling - df cheese, df soft cheese, ham, chicken, tuna. Or something like sausage rolls or pinwheels.
A Veg - cucumber, pepper, carrot, tomatoes.
A fruit - apple, banana, grapes, satsuma, berries.
Df yoghurt. Snacky bits like breadsticks, mini rice cakes, vegan soreen, a few crisps, a couple of biscuits.