Words formed from any letters in seisor, 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

d - dossier  

h - hosiers  

r - orrises  

s - seisors  

z - seizors  

u - serious  

e - soirees  

v - viroses  

x - xerosis  

6 letters

5 letters

x - sixes  

4 letters

x - oxes  

3 letters

j - joe  

y - rye   yes   soy