Words formed from any letters in scad, 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.

5 letters

r - cards  

h - chads  

o - codas  

s - scads  

4 letters

c - cads   scad  

f - fads  

u - cuds   scud  

v - vacs  

y - cays   days  

3 letters

c - cad   sac  

f - fad   fas  

n - can   and  

u - sau   cud  

v - vac   vas  

x - sax  

z - adz