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 x the lost soul 3. The explorer and the wanderer 4. Frisk and Chara 5. The challenger with Chara Remember, you can create an infinite number of combinations using different synonyms and variations, but make sure to maintain readability and coherence.