Your task is to make as many words as you can ending in the letters ACK.
You have a pile of all the letters of the alphabet.
Drag a letter from the pile and place it in a cell if you think it makes a word.
If you don't think it makes a word place it in one of the cells in the row at the bottom of the screen.
You can rearrange the order of the letters at any time.
Put the set of ACK words into alphabetical order.
Put the set of spare letters into alphabetical order.
To restart the activity just refresh the page.