The next sound is Ow!, and was made by taking Ooh-Ahh from the previous example, taking off the constant Ahh, and playing it backwards:
Ooh - diphthong(ooh-ahh) - Ahh goes to: Ohh - diphthong(ooh-ahh) goes to: diphthong(ahh-ohh) - Ooh First three formant values: diphthong -> Ooh F1: 730 -> 300 F2: 1100 -> 850 F3: 2450 -> 2250