Einstein Riddle Week of 7/11/23

retail staff

Bring in the correct answer to this riddle during the week of  7/11 - 7/17 for 10% off of an item in store!

Three rows; the top row has the letters T R A E A W, the middle row has 6 blank boxes, and the bottom row has the letters O T M U E O

Consider the image above, and the missing squares. Complete the vertical three letter words by filling in the empty squares to reveal a word across the middle row that is something essential for survival. 

Good Luck!

ANSWER