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: AMBO, LOON, LULU, and YEAS.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: BOPS, BRED, METE, OPAL, and SANS.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: AGOG, COTE, FLAM, NOUN, RAGA, and SNIT.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: ANTE, CITE, ELLS, LEER, LEYS, PORE, and SCUP.

Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: ANTA, ARIL, BILE, ERNE, ERRS, LEES, REAM, and WOES.