How many 3 and 4 and 5 and 6 letter words can you make from earth day?

Answer 1

3-letter words

aah, aha, are, art, ate, aye, dah, day, dey, dry, dye, ear, eat, edh, era, eta, eth, had, hae, hat, hay, her, het, hey, rad, rah, rat, ray, red, ret, rya, rye, tad, tae, tar, tea, ted, the, thy, try, tye, yah, yar, yea, yeh, yet

4-letter words

aery, area, arty, ayah, dare, dart, data, date, dear, drat, dray, dyer, eath, eyra, haar, hade, haed, haet, hard, hare, hart, hate, head, hear, heat, herd, hyte, rate, rath, raya, read, rhea, tahr, tare, tear, thae, they, trad, tray, trey, tyre, yard, yare, yeah, year

5-letter words

aahed, adyta, ahead, arhat, dater, deary, death, derat, deray, earth, hardy, hared, hated, hater, hayed, hayer, heady, heard, heart, hydra, rated, rathe, rayah, rayed, ready, reata, rhyta, tardy, tared, teary, trade, tread, tyred

6-letter words

datary, dearth, deathy, earthy, hatred, hearty, hydrae, thread

BONUS: 7-letter words

hydrate, thready