dumbest puzzle

123456789101112131415
Across
  1. 4. a chess thing
  2. 6. a set of puzzles
  3. 7. do that after saving
  4. 9. an ending
  5. 10. not on
  6. 14. the entire alphabet in a word
  7. 15. all numbers in a (word?)
Down
  1. 1. a greeting
  2. 2. bland cupcake
  3. 3. geiwev303
  4. 5. your girl parent
  5. 8. -100 iq guy
  6. 11. this thing
  7. 12. male mom
  8. 13. annoyed sound