puzzle 3

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Across
  1. 2. Infinity symbol
  2. 5. Tetra's prefix
  3. 7. Hole in golf
  4. 8. Days in a week
Down
  1. 1. A single unit
  2. 3. Trinity
  3. 4. Nein in German
  4. 5. High five fingers
  5. 6. Dos in Spanish
  6. 8. Hexagon sides