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picture 1 
picture 2 
picture 3 
picture 4 
picture 5 
picture 6 
picture 7 
picture 8 
picture 9 
picture 10 
picture 11 
picture 12 
picture 13 
picture 14 
picture 15 
picture 16 
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There are 16 pictures which need to be sorted.
There are 4 x 4 which have the same silent letter.
Drag 15 of the 16 by their number and drop them into the black frames to which you think they belong.
You can move the pictures around within the frames at any time.
* Take care, when you add the last one the grid becomes "frozen".
To start the activity again simply refresh the page.