How can you wait?

Which tiles would bring this hand to a ready hand? Drag them to pung, chow or pick.

Round Wind:  :Ws:    Seat Wind:  :We:
:b9: :c3: :c4: :c4: :c4: :c5: :c6:
:d1: :d2: :d3:
:d6: :d6: :d6: :d6:

Drag the tiles that can make you wait

:b1:
:b2:
:b3:
:b4:
:b5:
:b6:
:b7:
:b8:
:b9:
:c1:
:c2:
:c3:
:c4:
:c5:
:c6:
:c7:
:c8:
:c9:
:d1:
:d2:
:d3:
:d4:
:d5:
:d6:
:d7:
:d8:
:d9:
:Dg:
:Dr:
:Dw:
:We:
:Wn:
:Ws:
:Ww:

Drop here the tiles you can pung to wait

Drop here the tiles you can chow to wait

Drop here the tiles you can pick to wait

You can call chow on :c5: and wait for one of :c4: (depending on what you discard):

You can call chow on :c4: and wait for one of :c3: :b9: :c6: (depending on what you discard):

You can pick :c6: and wait for one of :c6: :c4: (depending on what you discard):

You can pick :b7: and wait for one of :b8: (depending on what you discard):

You can pick :c3: and wait for one of :c4: (depending on what you discard):

You can pick :c1: and wait for one of :c2: (depending on what you discard):

You can pick :b8: and wait for one of :b7: (depending on what you discard):

You can pick :b9: and wait for one of :c4: (depending on what you discard):

You can pick :c4: and wait for one of :c3: :b9: :c6: (depending on what you discard):