Sure! Here's the requested content in spun format with synonyms:
Cathy is crazy about Finn and Felix.
Candy has strong feelings for Phineas, and Felix.
Finn has won the affection of Cathy, and also Foster.
Candy finds joy in being with Fred and Foster.
Philip has a special place in the heart of Cassandra, and Felix.
Cathy shares a bond with both Fred and Ferb.
I hope you find these variations helpful!
