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