7 letter words:
fidibus13,
tubfast12,
tidbits10,
tubaist9,
6 letter words:
tidbit9,
tibias8,
tubist8,
audits7,
autist6,
5 letter words:
bifid11,
bafts10,
bauds8,
bidis8,
budas8,
budis8,
daubs8,
fasti8,
fauts8,
fiats8,
fitts8,
tabid8,
tifts8,
tufas8,
tufts8,
absit7,
abuts7,
baits7,
basti7,
batts7,
battu7,
bitts7,
buats7,
buist7,
busti7,
butts7,
tabis7,
tabus7,
tibia7,
tsuba7,
tubas7,
adits6,
adust6,
audit6,
dauts6,
ditas6,
ditts6,
duits6,
staid6,
tsadi6,
aitus5,
sutta5,
taits5,
tatus5,
tauts5,
titis5,
4 letter words:
baft9,
fabs9,
fibs9,
fubs9,
daft8,
difs8,
fads8,
fids8,
fuds8,
abid7,
aufs7,
bads7,
baud7,
bidi7,
bids7,
buda7,
budi7,
buds7,
dabs7,
daub7,
dibs7,
dubs7,
fast7,
fats7,
faut7,
fiat7,
fist7,
fits7,
fitt7,
fust7,
saft7,
sift7,
tift7,
tufa7,
tuft7,
abut6,
bait6,
bast6,
bats6,
batt6,
bias6,
bist6,
bits6,
bitt6,
buat6,
bust6,
buts6,
butt6,
ibis6,
isba6,
stab6,
stub6,
suba6,
tabi6,
tabs6,
tabu6,
tuba6,
tubs6,
adit5,
aids5,
dais5,
daut5,
disa5,
dita5,
dits5,
ditt5,
duit5,
dust5,
sadi5,
said5,
sida5,
stud5,
suid5,
tads5,
tids5,
aits4,
aitu4,
isit4,
itas4,
sati4,
saut4,
stat4,
suit4,
tais4,
tait4,
tats4,
tatu4,
taus4,
taut4,
titi4,
tits4,
tuis4,
tuts4,
utas4,
utis4,
3 letter words:
fab8,
fib8,
fub8,
dif7,
fad7,
fid7,
fud7,
aft6,
auf6,
bad6,
bid6,
bud6,
dab6,
dib6,
dub6,
fas6,
fat6,
fit6,
ifs6,
sif6,
abs5,
bas5,
bat5,
bis5,
bit5,
bus5,
but5,
sab5,
sib5,
sub5,
tab5,
tub5,
ads4,
aid4,
das4,
dis4,
dit4,
dui4,
ids4,
sad4,
sud4,
tad4,
tid4,
uds4,
ais3,
ait3,
att3,
ita3,
its3,
sai3,
sat3,
sau3,
sit3,
sui3,
tai3,
tas3,
tat3,
tau3,
tis3,
tit3,
tui3,
tut3,
uta3,
uts3,
2 letter words:
fa5,
if5,
ab4,
ba4,
bi4,
ad3,
da3,
di3,
id3,
ai2,
as2,
at2,
is2,
it2,
si2,
st2,
ta2,
ti2,
us2,
ut2,