7 letter words:
fusibly15,
6 letter words:
busily11,
5 letter words:
fubsy13,
flubs10,
sibyl10,
sybil10,
fusil8,
4 letter words:
busy9,
buys9,
fibs9,
flub9,
fubs9,
fils7,
flus7,
syli7,
libs6,
slub6,
3 letter words:
fly9,
buy8,
bys8,
fib8,
fub8,
fil6,
flu6,
ifs6,
sif6,
sly6,
yus6,
bis5,
bus5,
lib5,
sib5,
sub5,
lis3,
sui3,
2 letter words:
fy8,
by7,
if5,
yu5,
bi4,
is2,
li2,
si2,
us2,