Hint: 9. Pronounced in German. Another clue: Symbol.

Hint: 8. Once again, add a letter in front of it to make words. Another clue: "Grow in stature" refers to the spelling...

Hint: 7. Spell it out. Additional clues for you since this is a challenging level: What letters are common to "seventh"...

Hint: 6. Pronounced in Greek, translated into computer lingo.

Hint: 5. Looks like...

Hint: 4. Add a letter in front of it to make the synonym for "in front of". Another clue: Shorthand.

Hint: 3. Sounds like...

Hint: 2. In what form is this numeral written as a couple?

Hint : 1. Refers to a position.

It was really hard but I got to the end, but I've got no clue what the key is?? :(( can I get a clue or smth/???