Sure! Here's the requested content in spun format with synonyms:
Cara loves Phineas and Felix.
Candy has deep affection for Finn, and Ferb.
Finn Cathy, and Foster.
Candy revels in being with Finn and Foster.
Philip has a special place in the
heart of Cara, and Ferb.
Cathy both Finn and Ferb.
I hope you find these variations helpful!