7 letter words:
tubfish15,
6 letter words:
shufti12,
5 letter words:
shift11,
bhuts10,
buist7,
busti7,
4 letter words:
fish10,
bhut9,
bish9,
bush9,
fibs9,
fubs9,
hubs9,
fist7,
fits7,
fust7,
hist7,
hits7,
huis7,
huts7,
shit7,
shut7,
sift7,
sith7,
this7,
thus7,
tush7,
bist6,
bits6,
bust6,
buts6,
stub6,
tubs6,
suit4,
tuis4,
utis4,
3 letter words:
fib8,
fub8,
hub8,
fit6,
his6,
hit6,
hui6,
hut6,
ifs6,
ish6,
sif6,
bis5,
bit5,
bus5,
but5,
sib5,
sub5,
tub5,
its3,
sit3,
sui3,
tis3,
tui3,
uts3,
2 letter words:
hi5,
if5,
sh5,
uh5,
bi4,
is2,
it2,
si2,
st2,
ti2,
us2,
ut2,