I-no:
5s (Normal crouch, crouch forward) 2P, 2k (?)
2p (crouch walk forward) Couldn't find anything
Potemkin:
5p (Normal, forward) 2p, 2k (first hit clashes.)
2s (Normal, forward) All lows except 2hs, normal grab, Mettakiri
6hs (forward) Pretty much anything after it whiffs