How many words are possible to make from this list?There are a maximum of 2 entries covering all variations.
What's the largest word you can derive from this list?The longest word one could derive from the specified combination is 'vayu', which consists of 4 characters.
In Scrabble, what's the highest score you can get from words which end with 'ayu'?2 combinations to choose from, you're only possible choice is 'vayu' which totals 10 points.