In total, how many words are possible to make using this combination of letters?From this page of words containing 'l' and ending with 'pp', you have 2 outstanding combinations that can be selected.
What's the longest word you can assemble from words that have 'l' in and end with 'pp'?Consider 'schlepp'
What's the highest possible score you can get in Scrabble from this list of words that have 'l' in and end with 'pp'?The only choice is 'schlepp' for a score of 16 points.
What is an unique word that has 'l' in and ends with 'pp'?The most interesting word based on public feedback is 'lapp'. It means "Same as Laplander. Cf. Lapps.".