7 letter words:
kerfing15,
6 letter words:
knifer13,
reking11,
finger10,
fringe10,
5 letter words:
kefir12,
knife12,
eking10,
grike10,
kreng10,
feign9,
grief9,
inker9,
reink9,
finer8,
infer8,
ering6,
grein6,
niger6,
reign6,
renig6,
4 letter words:
fike11,
fink11,
firk11,
kerf11,
kief11,
gink9,
king9,
frig8,
keir8,
kern8,
kier8,
kine8,
kirn8,
nerk8,
reik8,
renk8,
rink8,
feni7,
fern7,
fier7,
fine7,
fire7,
firn7,
neif7,
nief7,
nife7,
reif7,
rife7,
gien5,
girn5,
gren5,
grin5,
ring5,
rein4,
rine4,
3 letter words:
kef10,
kif10,
keg8,
eik7,
erk7,
feg7,
fig7,
gif7,
ink7,
irk7,
ken7,
kin7,
kir7,
nek7,
erf6,
fen6,
fer6,
fie6,
fin6,
fir6,
nef6,
ref6,
rif6,
eng4,
erg4,
gen4,
gie4,
gin4,
neg4,
reg4,
rig4,
ern3,
ire3,
nie3,
rei3,
ren3,
rin3,
2 letter words:
ki6,
ef5,
fe5,
if5,
gi3,
en2,
er2,
in2,
ne2,
re2,