4 letter words:
folk11,
fork11,
kerf11,
koel8,
kore8,
floe7,
fore7,
froe7,
rolf7,
lore4,
orle4,
role4,
3 letter words:
kef10,
elk7,
kor7,
lek7,
oke7,
elf6,
fer6,
foe6,
for6,
fro6,
ref6,
ole3,
ore3,
roe3,
2 letter words:
ef5,
fe5,
of5,
el2,
er2,
lo2,
oe2,
or2,
re2,