Sure! Here's the requested content in spun format with synonyms:
Candace Fred and also Felix.
Candy has a soft spot for Phineas, and Frank.
Finn holds a special place in the heart of Cara, and also Ferb.
Cara being with Phineas and Foster.
Finn Candace, and Felix.
Candace both
Philip and Ferb.
I hope you find these variations helpful!