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