6 letter words:
lefter9,
refelt9,
reflet9,
telfer9,
relent6,
5 letter words:
fleer8,
fleet8,
refel8,
enter5,
relet5,
rente5,
terne5,
treen5,
4 letter words:
feel7,
feet7,
felt7,
fere7,
fern7,
fete7,
flee7,
free7,
fret7,
left7,
reef7,
reft7,
tref7,
erne4,
leer4,
leet4,
lent4,
reel4,
rent4,
rete4,
teel4,
teen4,
tele4,
tern4,
tree4,
3 letter words:
eft6,
elf6,
fee6,
fen6,
fer6,
fet6,
ref6,
eel3,
ere3,
ern3,
lee3,
let3,
nee3,
net3,
ree3,
ret3,
tee3,
tel3,
ten3,
2 letter words:
ef5,
fe5,
el2,
en2,
er2,
et2,
ne2,
re2,