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: AIDS, DOCS, ELKS, and IDEA.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: AFAR, BARB, DOVE, DREW, and YENS.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: ALGA, AURA, AWNS, BAIT, COOK, and STIR.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: ACHE, ALES, COON, ETAS, SECT, TYPE, and VAST.

Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: FLUE, FULL, GAGS, IDLE, IRIS, LAMA, NINE, and PAIR.