6 letter words:
inject15,
infect11,
finite9,
incite8,
5 letter words:
fecit10,
ficin10,
feint8,
fient8,
4 letter words:
fice9,
feni7,
fent7,
fine7,
fini7,
neif7,
nief7,
nife7,
cent6,
cine6,
cite6,
etic6,
nice6,
tice6,
inti4,
nite4,
tine4,
3 letter words:
jet10,
jin10,
eft6,
fen6,
fet6,
fie6,
fin6,
fit6,
nef6,
tef6,
cit5,
ice5,
tec5,
tic5,
net3,
nie3,
nit3,
ten3,
tie3,
tin3,
2 letter words:
ef5,
fe5,
if5,
en2,
et2,
in2,
it2,
ne2,
te2,
ti2,