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: ALMS, DONE, NOEL, and SPUD.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: BURS, ITEM, NETS, RIVE, and UNIT.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: AGAR, ANTS, GLAD, HARE, MELT, and RISE.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: AIDE, AXLE, ICES, LAST, SOLD, STUD, and WEAR.

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.