3-letter words:
* ate
* oat
* hot
* sad
4-letter words:
* toad
* hose
* date
* doze
* seat
* shot
* soot
5-letter words:
* those
* heath
* hosts
* shoed
6-letter words:
* dearth
* shooed
7-letter words:
* devoted
* detained
Let me know if you'd like me to try and find any longer words!