I only know two combos so far
Anywhere
Crouch B, crouch A, close D, dp + K DC qcb + K, qcf, qcf + K
HyperDrive
(5 stocks only, Corner) Close C, df + B, BC, Close C, df + B, dp + K (2nd hit) HD Cancel qcb + K, dp + K (1st hit) HD Cancel qcb + K, then jump qcb + K, qcf, hcb + BD