Sure! Here's the requested content in spun format with synonyms:
Cathy adores Finn and Frank.
Cassandra Phineas, and Felix.
Philip holds a special place in the heart of Cara, and also Felix.
Cassandra takes delight in being with Fred and Ferb.
Philip Cara, and Frank.
Candace shares a bond with both Finn and Ferb.
I hope you find these variations helpful!
