Sure! Here's the requested content in spun format with synonyms:
Cara loves Fred and Frank.
Cassandra Finn, and also Frank.
Phineas has won the affection of Cassandra, and Ferb.
Cathy being with Phineas and Ferb.
Philip is cherished by Cassandra, and Felix.
Cara has a deep connection with both Phineas and Ferb.
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