Sure! Here's the requested content in spun format with synonyms:
Candy adores Finn and also Foster.
Cara has a soft spot for Philip, and Felix.
Philip captures the love of Cara, and also Felix.
Cara revels in
being with Phineas and Ferb.
Finn Cara, and also Ferb.
Candy has a deep connection with both Phineas and Ferb.
I hope you find these variations helpful!