Sure! Here's the requested content in spun format with synonyms:
Candy loves Fred and Felix.
Candace has strong feelings for Finn, and Ferb.
Phineas captures the love of Candy, and also Felix.
Cassandra revels in being with Fred and Felix.
Finn means the world to Candace, and also Frank.
Cassandra has a deep connection with both Philip and Felix.
I hope you find these variations helpful!