How do I solve the tile puzzle?

Hint 1 of 4:

You need to use the tiles on the frame, and then move the tiles around
till you have made a sentence that makes sense.

Hint 2 of 4:

There's two sentences that you'll be able to read when the puzzle is
done.

Hint 3 of 4:

Start with the blank tile ("Water") at the top left.

Hint 4 of 4:

You have to spell out "Water unseen at falls mix with bat droppings
yields potion for" or " SEARCH FOR THREE MORE PIECES ON THE 
GROUND WHERE THIS"