Acre
Cafe
Calf
Care
Clear
Clef
Clue
Cruel
Cure
Curl
Earful
Earl
Ecru
Face
Farce
Fare
Fear
Feral
Flare
Flea
Flue
Frau
Fuel
Lace
Leaf
Lucre
Lure
Race
Real
Rule
Ulcer