Sure! Here's the requested content in spun format with synonyms:
Candy Fred and Ferb.
Candy has strong feelings for Phineas, and also Felix.
Phineas has won the affection of Cathy, and also Ferb.
Cara takes delight in being with Philip and Frank.
Fred is cherished by Candy, and also Frank.
Cathy is emotionally attached to both Phineas and Foster.
I hope you find these variations helpful!