7 letter words:
fidibus13,
5 letter words:
bifid11,
bidis8,
budis8,
4 letter words:
fibs9,
fubs9,
difs8,
fids8,
fuds8,
bidi7,
bids7,
budi7,
buds7,
dibs7,
dubs7,
ibis6,
suid5,
3 letter words:
fib8,
fub8,
dif7,
fid7,
fud7,
bid6,
bud6,
dib6,
dub6,
ifs6,
sif6,
bis5,
bus5,
sib5,
sub5,
dis4,
dui4,
ids4,
sud4,
uds4,
sui3,
2 letter words:
if5,
bi4,
di3,
id3,
is2,
si2,
us2,
