What's the highest scoring word you can play in Scrabble ?As there is only a single word to choose from, you're only practical choice is 'askr' scoring 8 points.
What's the total number of words you could assemble using words that start with 'a' and end with 'kr'?From this list of words beginning with 'a' and ending with 'kr', you have just 1 entry which is possible.