7 letter words:
selloff13,
6 letter words:
folles9,
5 letter words:
fells8,
floes8,
losel5,
4 letter words:
effs10,
offs10,
fell7,
floe7,
foes7,
self7,
ells4,
lose4,
oles4,
sell4,
sloe4,
sole4,
3 letter words:
eff9,
off9,
efs6,
elf6,
fes6,
foe6,
ell3,
els3,
les3,
oes3,
ole3,
ose3,
sel3,
sol3,
2 letter words:
ef5,
fe5,
of5,
el2,
es2,
lo2,
oe2,
os2,
so2,
