Words formed from any letters in tenner, 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

c - centner  

i - interne  

6 letters

b - bennet  

h - nether  

j - jennet  

o - tonner  

v - venter  

x - extern  

5 letters

k - kerne  

l - relet  

x - exert  

z - nertz  

4 letters

j - jeer   jete  

x - next  

3 letters

c - cee   rec  

j - jee   jet  

k - eke   ken  

x - rex  

z - zee