5 letter words:
bifid11,
defis9,
bides8,
bidis8,
4 letter words:
fibs9,
defi8,
difs8,
feds8,
fids8,
beds7,
bide7,
bidi7,
bids7,
debs7,
dibs7,
seif7,
bise6,
ibis6,
dies5,
ides5,
side5,
3 letter words:
fib8,
def7,
dif7,
fed7,
fid7,
bed6,
bid6,
deb6,
dib6,
efs6,
fes6,
fie6,
ifs6,
bes5,
bis5,
sib5,
die4,
dis4,
eds4,
ids4,
sei3,
2 letter words:
ef5,
fe5,
if5,
be4,
bi4,
de3,
ed3,
id3,
es2,
is2,
si2,