Results: 26 words
FIBER​10
FEWER​11
FEVER​11
FLYER​11
FINER​8
FOYER​11
FRYER​11
FILER​8
FIXER​15
FLIER​8
FREER​8
FLEER​8
FADER​9
FIVER​11
FAKER​12
FACER​10
FIFER​11
FRIER​8
FIRER​8
FAYER​11
FUMER​10
FAVER​11
FARER​8
FERER​8
FEYER​11
FOUER​8