middle ground to back off to character level if you see something rare you don't know or to handle like all these different languages while still having some sort of like kind of sensible handling of common words and frequencies hey Alec is there a common kind of number of bite pairs that you want to end up with cuz it sounds like you start with byte level which is just 256 possibilities and then you could imagine that you can have many many by two pairs and sometimes it goes beyond pairs I think right where you recombine an