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