We don't have Braille tiles for the Osmo Words game, but some of our users have shared albums for learning Braille (for visually impaired students).

To see them, please search the public albums for 'Braille':

https://my.playosmo.com/words/browse

And if you're interested in creating your own albums, here are written instructions for this purpose:

https://www.playosmo.com/static/downloads/GettingStartedWithOsmoWords.pdf