euouae Mystery Cache

Scrabble - the word game – celebrates its 70th birthday in 2018. The longest word playable with only vowels is 'euouae' (a Gregorian cadence) and the longest word with only consonants is crwth(s) (an old Welsh stringed instrument). The consonants below do not form a word, but together with their values, they mark a place for a cache in Liljebäck.