Words formed from any letters in orca, 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

g - cargo  

p - copra  

i - coria  

k - croak  

e - ocrea  

s - orcas  

4 letters

a - arco   orca  

g - crag  

i - ciao   coir  

o - arco   orca  

v - arvo  

w - craw   crow  

x - coax   coxa  

y - racy   cory  

z - czar  

3 letters

h - hao   rah   rho  

i - air   ria  

j - jar   raj  

l - lac   lar   col  

u - cur   our  

x - rax   cox  

z - azo   zoa   coz