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: ACTS, LOOK, OXEN, and SARI.

Stack these five four-letter words, atop one another, to form four columns of five-letter words read top to bottom: BOSS, EXPO, GYRO, REAL, and SEEN.

Stack these six four-letter words, atop one another, to form four columns of six-letter words read top to bottom: ALLS, EARL, FLOG, LEAN, RUDE, and UREA.

Stack these seven four-letter words, atop one another, to form four columns of seven-letter words read top to bottom: AVER, BATE, DISC, EDIT, LONE, SELL, and TREY.

Stack these eight four-letter words, atop one another, to form four columns of eight-letter words read top to bottom: AMEN, FLAM, ICED, LAMP, NANA, ONES, REDS, and TILE.