How many usable words could one make with this combination of letters?From this list of words that start with 'b' and include 'lsm', you have 2 effective entries that are possible altogether.
What's the highest scoring word in Scrabble available on this page ?As there is just 2 entries possible, your only viable word is 'bailsman' for a score of 12 points.
What's the longest word you can derive with the combination specified?The biggest word that's possible to construct from this list is 'bailsman', and it consists of 8 characters.