What's the total number of words you're able to create using this combination of letters?You could make 4 words in total.
How many letters are in the biggest word on this list?The biggest word that's possible to assemble from this list is 'anilau', and it contains 6 characters.
In Scrabble, what is the highest possible score you can get from words that contain 'a' and end in 'lau'?As there is only 4 entries to choose from, your only viable choice is 'balau' scoring 7 points.