I honestly don't know what the "official" stance on this is, but in my own campaign I went with one-handed-only weapons (e.g., short sword, dagger, whip, etc.) for Weapon Finesse.
I honestly don't know what the "official" stance on this is, but in my own campaign I went with one-handed-only weapons (e.g., short sword, dagger, whip, etc.) for Weapon Finesse.