11 letter words:
fingerprint17,
10 letter words:
reprinting13,
9 letter words:
fingertip15,
prefiring15,
inferring13,
infringer13,
interring10,
8 letter words:
feinting12,
fringier12,
infringe12,
refining12,
refiring12,
ferritin11,
printing11,
repining11,
ripening11,
retiring9,
7 letter words:
pfennig13,
grifter11,
rifting11,
finnier10,
gripier10,
niftier10,
peining10,
printer9,
reprint9,
ginnier8,
grinner8,
igniter8,
reining8,
renting8,
ringent8,
tiering8,
trining8,
tinnier7,
6 letter words:
feting10,
finger10,
fining10,
firing10,
fringe10,
finite9,
griper9,
pieing9,
pinger9,
pining9,
riping9,
periti8,
pinier8,
pinite8,
pinner8,
pitier8,
pterin8,
tenpin8,
tiepin8,
engirt7,
erring7,
ginner7,
ignite7,
ringer7,
tieing7,
tining7,
tiring7,
intern6,
intine6,
tinier6,
tinner6,
5 letter words:
feign9,
grief9,
grift9,
feint8,
finer8,
firer8,
frier8,
genip8,
gripe8,
gript8,
infer8,
piing8,
refit8,
rifer8,
inept7,
penni7,
prier7,
print7,
repin7,
ripen7,
riper7,
tripe7,
genii6,
iring6,
reign6,
renig6,
rerig6,
tiger6,
tinge6,
inert5,
inner5,
inter5,
niter5,
nitre5,
renin5,
trier5,
trine5,
4 letter words:
frig8,
gift8,
fern7,
fine7,
fire7,
firn7,
fret7,
frit7,
grip7,
neif7,
ping7,
prig7,
reft7,
reif7,
rife7,
rift7,
tref7,
pein6,
pent6,
peri6,
pert6,
pier6,
pine6,
pint6,
pirn6,
ripe6,
tipi6,
trip6,
gent5,
gien5,
girn5,
girt5,
gite5,
grin5,
grit5,
ring5,
ting5,
trig5,
inti4,
nine4,
nite4,
rein4,
rent4,
rite4,
tern4,
tier4,
tine4,
tire4,
3 letter words:
fig7,
eft6,
fen6,
fer6,
fet6,
fie6,
fin6,
fir6,
fit6,
gip6,
peg6,
pig6,
ref6,
rif6,
nip5,
pen5,
per5,
pet5,
pie5,
pin5,
pit5,
rep5,
rip5,
tip5,
eng4,
erg4,
gen4,
get4,
gie4,
gin4,
git4,
neg4,
reg4,
rig4,
teg4,
ern3,
err3,
inn3,
ire3,
net3,
nit3,
rei3,
ret3,
rin3,
ten3,
tie3,
tin3,
2 letter words:
ef5,
fe5,
if5,
pe4,
pi4,
en2,
er2,
et2,
in2,
it2,
ne2,
re2,
ti2,
