Words with 'boi' at the start and 't' at the end

What's the highest number of points you could get in Scrabble from this list of words that start with 'boi' and end with 't'?
As there is only a single word to pick from, you're obligated to use 'boist' scoring 7 points.

What's the total number of words you're able to make from this combination of letters?
It appears as though there's only 1 entry.