Any 7 pairs.
Points: 4 fan
Mixed hand with two dragon pongs and 1 dragon pair
Points: 4 fan
Mixed hand with three dragon pongs
Points: 6 fan
Pongs and chows
Points: 6 fan
Any winds and dragons
Points: 7 fan
Seven pairs, with any wind/dragon tiles.
Points: 7 fan
Peng Wu, single suit.
Points: 7 fan
All pong, single suit.
Points: 9 fan
Additional Points