6 letter words:
footie9,
bootie8,
5 letter words:
boffo13,
befit10,
boite7,
4 letter words:
biff12,
boff12,
fief10,
fife10,
teff10,
tiff10,
toff10,
foot7,
bite6,
boot6,
obit6,
oboe6,
3 letter words:
eff9,
iff9,
off9,
fib8,
fob8,
eft6,
fet6,
fie6,
fit6,
foe6,
oft6,
bet5,
bio5,
bit5,
boo5,
bot5,
obe5,
obi5,
oot3,
tie3,
toe3,
too3,
2 letter words:
ef5,
fe5,
if5,
of5,
be4,
bi4,
bo4,
et2,
it2,
oe2,
oi2,
ti2,
to2,