I suppose this is a tentative moveset, since I'm still undecided on whether Riki will use her prosthetic claws or not; in the meantime, however, I focussed mainly on moves that would allow her to stand to-to-toe with Fighting types, since those are her greatest weakness.
FYI, Counter is an Egg Move for Zangooses, and I figured it was her dad's trademark move so naturally she'd inherit it.