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