9 letter words:
ninjutsus16,
8 letter words:
ninjutsu15,
7 letter words:
sunsuit7,
unsuits7,
6 letter words:
unjust13,
suints6,
unsuit6,
untins6,
5 letter words:
jinns12,
justs12,
inust5,
nisus5,
sinus5,
situs5,
snits5,
stuns5,
suint5,
suits5,
sunns5,
units5,
untin5,
4 letter words:
jinn11,
jins11,
just11,
juts11,
inns4,
nits4,
nuns4,
nuts4,
sins4,
sist4,
sits4,
snit4,
stun4,
suit4,
sunn4,
suns4,
susu4,
tins4,
tuis4,
tuns4,
unis4,
unit4,
utis4,
utus4,
3 letter words:
jin10,
jun10,
jus10,
jut10,
inn3,
ins3,
its3,
nis3,
nit3,
nun3,
nus3,
nut3,
sin3,
sis3,
sit3,
sui3,
sun3,
sus3,
tin3,
tis3,
tui3,
tun3,
uni3,
uns3,
uts3,
utu3,
2 letter words:
in2,
is2,
it2,
nu2,
si2,
st2,
ti2,
un2,
us2,
ut2,