This is a great Kihon combination for your to try. All you need to know is a front kick, reverse punch and a hook punch. In the video I break down the combination in chunks. This serves as a warm-up as well as an opportunity for ensure you really get the combo down once we drill it with speed.
Mae geri/step back kake zuki/gyaku zuki/mae geri
(Front kick/step back hook punch/reverse punch/front kick)
Yours in training,