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