Olaf's exercise

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Across
  1. 2. Basis of a sandwich
  2. 3. A finger
  3. 4. Man's best friend
  4. 6. Nickname for a cat
  5. 7. You can drink this, but it's not čaj
Down
  1. 1. Not your brother
  2. 3. A small and colorful bird
  3. 5. Olafje in Serbian