10 letter words:
infighting18,
8 letter words:
fighting16,
igniting10,
7 letter words:
infight14,
gifting12,
hinging12,
nighing12,
hinting11,
nithing11,
tinging9,
6 letter words:
fining10,
tining7,
5 letter words:
fight12,
night9,
thing9,
ninth8,
4 letter words:
gift8,
hing8,
nigh8,
thig8,
fini7,
hint7,
thin7,
ging6,
ginn5,
ting5,
inti4,
3 letter words:
fig7,
ghi7,
gif7,
fin6,
fit6,
hin6,
hit6,
nth6,
gig5,
igg5,
gin4,
git4,
tig4,
inn3,
nit3,
tin3,
2 letter words:
hi5,
if5,
gi3,
in2,
it2,
ti2,