9 letter words:
unitizing19,
7 letter words:
uniting8,
6 letter words:
tining7,
tuning7,
4 letter words:
zing14,
ziti13,
ting5,
tung5,
inti4,
unit4,
3 letter words:
zig13,
zin12,
zit12,
gin4,
git4,
gnu4,
gun4,
gut4,
tug4,
inn3,
nit3,
nun3,
nut3,
tin3,
tui3,
tun3,
2 letter words:
in2,
it2,
nu2,
ti2,
un2,
ut2,