The same three or four letters , in the same order, will complete the partial words below. The letters are different for each set of clues.

1)

_ _ _ NEST

_ _ _ ACHE

_ _ _ DRUM

 

2)

_ _ _ ANY

_ _ _ HER

_ _ _ TOM

 

3)

GR _ _ _ _ 

TR _ _ _ _

SL _ _ _ _