7 letter words:
feebler12,
6 letter words:
feeble11,
feeler9,
refeel9,
5 letter words:
fleer8,
refel8,
rebel7,
4 letter words:
keef11,
kerf11,
berk10,
kerb10,
beef9,
feeb9,
keel8,
leek8,
leke8,
reek8,
feel7,
fere7,
flee7,
free7,
reef7,
beer6,
bree6,
leer4,
reel4,
3 letter words:
kef10,
eek7,
eke7,
elk7,
lek7,
elf6,
fee6,
fer6,
ref6,
bee5,
bel5,
reb5,
eel3,
ere3,
lee3,
ree3,
2 letter words:
ef5,
fe5,
be4,
el2,
er2,
re2,