• eubbing salt in the wound,
• dubbing salt in the wound,
• fubbing salt in the wound,
• tubbing salt in the wound,
• 5ubbing salt in the wound,
• 4ubbing salt in the wound,
• rybbing salt in the wound,
• rhbbing salt in the wound,
• rjbbing salt in the wound,
• ribbing salt in the wound,
• r8bbing salt in the wound,
• r7bbing salt in the wound,
• ruvbing salt in the wound,
• runbing salt in the wound,
• ruhbing salt in the wound,
• rugbing salt in the wound,
• rubving salt in the wound,
• rubning salt in the wound,
• rubhing salt in the wound,
• rubging salt in the wound

The adverb form of "rubbing salt in the wound" would be "ruthlessly" or "mercilessly". These adverbs emphasize the idea of adding insult or further aggravating someone's pain or suffering.

The adjective form of the phrase "rubbing salt in the wound" would be "salt-rubbing" or "salt-in-the-wound".