Yes, they can surely eat the raw sprouted mung beans. I feed them mung every morning...it is rich in proteins. You can even mash and offer it to them.
I mistyped in my earlier post....it should be green chickpeas, which can be soaked and mashed and offered. I've not tried fenugreek seeds yet but I'll once I do some thorough research. You can even offer them oats, sesame seeds, flax seeds but in limited quantity as they have high oil content.