Words formed from any letters in direst, plus optional blank

The value of the blank, or of an existing letter already on the game board, is shown at the start of each line.

7 letters

h - dithers  

k - skirted  

n - tinders  

6 letters

j - jerids  

y - dryest  

5 letters

j - jerid  

4 letters

j - jest   jets  

x - exit   sext  

3 letters

j - jet  

z - zed   zit