9 letter words:
fisticuff20,
6 letter words:
fistic11,
fustic11,
5 letter words:
cuffs13,
scuff13,
stiff11,
stuff11,
tiffs11,
tuffs11,
cuifs10,
ficus10,
cutis7,
ictus7,
4 letter words:
cuff12,
tiff10,
tuff10,
cuif9,
fisc9,
fuci9,
fist7,
fits7,
sift7,
cist6,
cuts6,
scut6,
tics6,
suit4,
tuis4,
3 letter words:
iff9,
fit6,
ifs6,
cis5,
cut5,
sic5,
tic5,
its3,
sit3,
tis3,
tui3,
uts3,
2 letter words:
if5,
is2,
it2,
si2,
ti2,
us2,
ut2,