Stack these four four-letter words, atop one another, to form four columns of four-letter words read top to bottom: AMAH, LAMA, MASH, and UMPS.
Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: BRAN, BRAS, LIRE, RENT, and USES.
Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: FRET, IONS, ROVE, SERE, SKIT, and TIES.
Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: AGAR, AMEN, ANTI, CAPE, DIRT, MESA, and MIDI.
Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: APSE, ARIA, BRAD, CURT, DOVE, EDGE, ICON, and TENT.