To increase number of fans and entries it is best to search among suit tiles, apply tile groups keeping focus on Wait and other related fans.

Here is 9-entries solution. The hand: concealed -- , melded -- , winning Self-Drawn on  as last tile from the wall.

Fans:

  1. "Closed Wait".
  2. "Last Tile Draw".
  3. "Last Tile".
  4. "Tile Hog".
  5. "Pure Double Chow".
  6. "All Chows" -- indirect entry.
  7. "Reversible Tiles" -- indirect entry.
  8. "Full Flush" -- indirect entry.
  9. "Lower Four" -- indirect entry.