Generate prompts by merging multiple groups of keywords.
# Group 1
- a dog selfie
- a cat selfie
# Group 2
- in realistic style
- in cartoon style
- in anime style
# Result
- a dog selfie, in realistic style
- a dog selfie, in cartoon style
- a dog selfie, in anime style
- a cat selfie, in realistic style
- a cat selfie, in cartoon style
- a cat selfie, in anime style