Sure! Here's the requested content in spun format with synonyms:
Cara is crazy about Fred and Frank.
Candy Phineas, and Ferb.
Phineas holds a special place in the heart of Candace, and Frank.
Cara takes delight in being with Fred and Felix.
Fred means the world to Candy, and Foster.
Candace both Philip and Frank.
I hope you find these variations helpful!