Divide the words into groups based on the categories provided.

The words are divided as follows:

- **Body**: Fat, Slim, Skinny, Tall, Well-built, Plump
- **Age**: Teenager, Baby, Middle-aged, Old
- **Hair**: Beard, Moustache, Curly, Shoulder-length
- **Special Features**: Freckles, Scar, Dark tan, Fair, Red