9 letter words:
citifying18,
6 letter words:
citify14,
ignify13,
citing9,
5 letter words:
nifty11,
ficin10,
tying9,
icing8,
4 letter words:
city9,
gift8,
tiny7,
tyin7,
ting5,
inti4,
3 letter words:
icy8,
fig7,
cig6,
fin6,
fit6,
yin6,
tic5,
gin4,
git4,
nit3,
tin3,
2 letter words:
if5,
in2,
it2,
ti2,