To fulfill Combo Book you need to combine Play, Feeding, Sleeping, Exercise, and Cleaning. Play consists of Pat, Tickle, Praise, Balloon, and Stretch. Feeding consists of Feeding, Snack, Fish, Tuna Can, and Juice. Exercise consists of Yarn Ball, Play Toy, Jump Rope, Jump, and Hide & Seek. And Cleaning consists of Bath, Swim, Wash Face, Groom, and Brush Teeth.
Below are what I've got so far:
2 COMBO (75/75)
3 COMBO (26/75)
4 COMBO (23/75)
5 COMBO (10/75)
I hope this post can help you to fill the Combo Book. Also, please leave comment if you find another combo.
Thank you.