Stack these four four-letter words, atop one another, to form four columns of four-letter words read top to bottom: AWLS, HOOT, SHOE, and YAPS.
Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: ARKS, CHIT, LINE, MELT, and PREY.
Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: ARTY, DOSS, GASP, LASH, OLIO, and PEAS.
Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: ACNE, AREA, CART, EELS, LATE, PEEN, and THAN.
Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: AFAR, BODE, IBIS, LONE, NESS, ODES, TENS, and UREA.