5 letter words:
fleer8,
refel8,
4 letter words:
feel7,
feen7,
feer7,
fere7,
fern7,
flee7,
free7,
reef7,
erne4,
leer4,
lere4,
reel4,
reen4,
3 letter words:
elf6,
erf6,
fee6,
fen6,
fer6,
nef6,
ref6,
eel3,
een3,
ene3,
ere3,
ern3,
lee3,
nee3,
ree3,
ren3,
2 letter words:
ef5,
fe5,
ee2,
el2,
en2,
er2,
ne2,
re2,