Sure, here's an example of unique content optimized for the keyword 'frisk x chara' using synonyms: 1. The main character and the fallen human 2. The hero and the lost soul 3. The explorer x the wanderer 4. Frisk and Chara 5. The challenger and the wanderer Remember, you can create an infinite number of combinations using different synonyms and variations, but make sure to maintain readability and coherence.