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: ARTS, KEPI, REIN, and SKIP.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: CHAW, LOCI, MOTE, ONUS, and PRES.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: BATE, EASE, ICON, IRIS, SLED, and SNOT.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: DORY, FLAT, LOCH, MUMS, OGLE, URIC, and WYES.

Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: AREA, FAYS, FILL, FLEA, FURL, IDEA, RANT, and RASP.