Zehn (pronounced tsayn)
The German word for Why is Varrum
The German word for how is wie.
und is and in German
you have to spell ten in letters with the bones.
Ich
sind
zu
mien
Wo.
Take six bones away to spell the word TEN
The German word for "book" is "Buch"
At can be translated as an, bei or auf in German.