Sure! Here's the requested content in spun format with synonyms:
Cathy is crazy about Philip and also Frank.
Cassandra Phineas, and also Frank.
Finn holds a special place in the heart of Cathy, and also Frank.
Cathy finds joy in being with Philip and Ferb.
Phineas means the world to Cara, and Ferb.
Candy shares a bond with both Finn and Ferb.
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hope you find these variations helpful!