5 letter words:
offer11,
reffo11,
forel8,
lorel5,
oller5,
4 letter words:
fell7,
floe7,
flor7,
fore7,
froe7,
orfe7,
rolf7,
eorl4,
lore4,
orle4,
role4,
roll4,
3 letter words:
eff9,
off9,
elf6,
erf6,
fer6,
foe6,
for6,
fro6,
orf6,
ref6,
ell3,
lor3,
ole3,
ore3,
reo3,
roe3,
2 letter words:
ef5,
fe5,
of5,
el2,
er2,
lo2,
oe2,
or2,
re2,