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: ADDS, CARE, SEWN, and TREE.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: AUTO, AWNS, BOAT, CLAN, and IDLY.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: ACES, BONA, OVER, SATE, SONS, and STAT.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: ALOE, EDDY, EVER, NANA, SATI, SIFT, and TELL.

Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: ANTE, ERRS, EWER, GEES, IDES, LETS, NONE, and SOFA.