6 letter words:
feeler9,
refeel9,
5 letter words:
fleer8,
refel8,
gelee6,
gerle6,
leger6,
4 letter words:
fleg8,
feel7,
feer7,
fere7,
flee7,
free7,
reef7,
eger5,
gere5,
glee5,
gree5,
leer4,
lere4,
reel4,
3 letter words:
feg7,
elf6,
erf6,
fee6,
fer6,
ref6,
erg4,
gee4,
gel4,
leg4,
reg4,
eel3,
ere3,
lee3,
ree3,
2 letter words:
ef5,
fe5,
ee2,
el2,
er2,
re2,