9 letter words:
fettering13,
8 letter words:
fretting12,
7 letter words:
feering11,
feigner11,
fetting11,
freeing11,
reefing11,
feinter10,
gentier8,
gittern8,
integer8,
retting8,
teering8,
tergite8,
treeing8,
nettier7,
tentier7,
6 letter words:
feeing10,
feting10,
finger10,
fringe10,
giftee10,
enfire9,
feerin9,
ferine9,
fetter9,
fineer9,
fitter9,
infere9,
refine9,
titfer9,
engirt7,
gerent7,
getter7,
regent7,
teeing7,
entire6,
nerite6,
netter6,
nettie6,
retine6,
retint6,
tenter6,
tentie6,
tinter6,
triene6,
5 letter words:
feign9,
grief9,
grift9,
feint8,
fient8,
fiere8,
finer8,
fitte8,
freet8,
freit8,
fritt8,
infer8,
refit8,
rifte8,
terfe8,
treif8,
egret6,
eigne6,
ering6,
genet6,
genie6,
genre6,
gerne6,
green6,
greet6,
grein6,
niger6,
regie6,
reign6,
renig6,
tenge6,
tiger6,
tinge6,
enter5,
ettin5,
inert5,
inter5,
niter5,
nitre5,
rente5,
retie5,
tenet5,
terne5,
tetri5,
titer5,
titre5,
treen5,
trine5,
trite5,
4 letter words:
frig8,
gift8,
feen7,
feer7,
feet7,
feni7,
fent7,
fere7,
fern7,
fete7,
fett7,
fier7,
fine7,
fire7,
firn7,
fitt7,
free7,
fret7,
frit7,
neif7,
nief7,
nife7,
reef7,
reft7,
reif7,
rife7,
rift7,
terf7,
tift7,
tref7,
eger5,
geit5,
gene5,
gent5,
gere5,
gert5,
gien5,
girn5,
girt5,
gite5,
gree5,
gren5,
grin5,
grit5,
ring5,
tige5,
ting5,
trig5,
eine4,
erne4,
eten4,
nete4,
nett4,
nite4,
reen4,
rein4,
rent4,
rete4,
rine4,
rite4,
ritt4,
teen4,
teer4,
tene4,
tent4,
tern4,
tete4,
tier4,
tine4,
tint4,
tire4,
tite4,
tree4,
tret4,
trie4,
trin4,
3 letter words:
feg7,
fig7,
gif7,
eft6,
erf6,
fee6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
nef6,
ref6,
rif6,
tef6,
eng4,
erg4,
gee4,
gen4,
get4,
gie4,
gin4,
git4,
neg4,
reg4,
rig4,
teg4,
tig4,
een3,
ene3,
ere3,
ern3,
ire3,
nee3,
net3,
nie3,
nit3,
ree3,
rei3,
ren3,
ret3,
rin3,
rit3,
tee3,
ten3,
tet3,
tie3,
tin3,
tit3,
2 letter words:
ef5,
fe5,
if5,
gi3,
ee2,
en2,
er2,
et2,
in2,
it2,
ne2,
re2,
te2,
ti2,