6 letter words:
kelter10,
ferule9,
fluter9,
fueler9,
lefter9,
refelt9,
reflet9,
refuel9,
refute9,
telfer9,
5 letter words:
fluke12,
fleer8,
fleet8,
flute8,
refel8,
elute5,
relet5,
4 letter words:
keef11,
kerf11,
keel8,
keet8,
kelt8,
leek8,
leke8,
leku8,
lurk8,
reek8,
trek8,
turk8,
feel7,
feet7,
felt7,
fere7,
fete7,
flee7,
flue7,
free7,
fret7,
fuel7,
furl7,
left7,
reef7,
reft7,
tref7,
turf7,
leer4,
leet4,
lure4,
lute4,
reel4,
rete4,
rule4,
teel4,
tele4,
tree4,
true4,
tule4,
3 letter words:
kef10,
eek7,
eke7,
elk7,
kue7,
lek7,
uke7,
eft6,
elf6,
fee6,
fer6,
fet6,
feu6,
flu6,
fur6,
ref6,
eel3,
ere3,
lee3,
let3,
leu3,
ree3,
ret3,
rue3,
rut3,
tee3,
tel3,
ute3,
2 letter words:
ef5,
fe5,
el2,
er2,
et2,
re2,
ut2,