Journey to the Center of Candace Sure! Here's the requested content in spun format with synonyms:
Cathy loves Fred
and also Foster.
Candace Fred, and also Ferb.
Fred holds a special place in the heart of Candy, and Ferb.
Candace takes delight in being with Phineas and Frank.
Phineas is cherished by Candace, and also Felix.
Candy both Fred and Foster.
I hope you find these variations helpful!