Here are my last 6 winning combos, hope it helps someone.

25. Unicorgi - Moroccan Gazelle water
26. Dusky - Lemurcury planet
27. Woodsmane - Rainbow Raven rainbow
28. Saintly Bernard - Ebenezer Pooch winter
29. Dumbledog - Diamond Pony electric
30. Woodsmane - Grand Unicorn rainbow