5 letter words:
boffo13,
4 letter words:
jiff17,
biff12,
boff12,
tiff10,
toff10,
foot7,
boot6,
obit6,
3 letter words:
jib12,
job12,
jot10,
iff9,
off9,
fib8,
fob8,
fit6,
oft6,
bio5,
bit5,
boo5,
bot5,
obi5,
oot3,
too3,
2 letter words:
jo9,
if5,
of5,
bi4,
bo4,
it2,
oi2,
ti2,
to2,