Three-letter words:
* eat
* foe
* lot
* mat
* sat
Four-letter words:
* foam
* lame
* loaf
* male
* meat
* mole
* salt
* team
* toot
Five-letter words:
* flame
* float
* least
* metal
* moral
* stale
Six-letter words:
* forest
* molten
* motile
Seven-letter words:
* stalemate
Let me know if you want me to try and find any more words!