Words with 'b' as the first letter that end with 'nto'

In total, how many words is it possible to make using this list?
Sadly we have only discovered 1 word on our system 😠

In Scrabble, what's the most points you can get from this list of words that start with 'b' and end with 'nto'?
As there is only a single word possible, you can only play 'beento' for a score of 8 points.