6 letter word: E F R E S V

3 letter words
Ere
Eve
Fee
Ref
Rev
See

4 letter words
Ever
Eves
Fees
Free
Reef
Refs
Revs
Seer
Sere
Serf
Veer

5 letter words
Fever
Frees
Refs
Serve
Sever
Veers
Verse

6 letter word
Fevers