Stackable words

Atop one another

Stack these four four-letter words, atop one another, to form four columns of four-letter words read top to bottom: ACED, BABE, TENS, and UPON.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: ALPS, AVID, BEAU, FESS, and TRAY.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: ARMY, ESPY, INKS, PICA, ROUT, and SHOE.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: AVER, DISC, DONE, EDIT, MATE, SELL, and TREY.

Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: ALAS, DIMS, ETUI, EVES, ILEA, MASS, REST, and TIRE.