6 letter words:
kennel10,
kernel10,
fennel9,
5 letter words:
kerne9,
kneel9,
fleer8,
refel8,
4 letter words:
keef11,
kerf11,
keel8,
keen8,
kern8,
knee8,
leek8,
leke8,
reek8,
feel7,
fere7,
fern7,
flee7,
free7,
reef7,
erne4,
leer4,
nene4,
reel4,
3 letter words:
kef10,
eek7,
eke7,
elk7,
ken7,
lek7,
elf6,
fee6,
fen6,
fer6,
ref6,
eel3,
ere3,
ern3,
lee3,
nee3,
ree3,
2 letter words:
ef5,
fe5,
el2,
en2,
er2,
ne2,
re2,