Xbox Gamepad(X-1 Y-2 A-3 B-4)
Playstation Gamepad(SQUARE-1 TRIANGLE-2 CROSS-3 OVAL-4)

Full Combo:
(Backward + 1)(Down + Backward, 1)(Forward + 3, 2)(Backward + Forward, 3)

Xbox One:
(Backward + X)(Down + Backward, X)(Forward + A, Y)(Backward + Forward, A)

PS4:
(Backward + SQUARE)(Down + Backward, SQUARE)(Forward + CROSS, TRIANGLE)(Backward + Forward, CROSS)

U need to know:
Down + Backward - U must slide the analog from down to left or right, depends of the side u stay.

TIPS:
I am new player in mortal kombat x and i think it isn't hard to learn combo for kenshi, just practice. :)