6 letter words:
knifes13,
5 letter words:
fenks12,
fikes12,
finks12,
kiefs12,
knife12,
kines9,
skein9,
fenis8,
fines8,
neifs8,
niefs8,
nifes8,
4 letter words:
fike11,
fink11,
fisk11,
kefs11,
kief11,
kifs11,
eiks8,
inks8,
kens8,
kine8,
kins8,
neks8,
seik8,
sike8,
sink8,
sken8,
skin8,
feis7,
feni7,
fens7,
fine7,
fins7,
nefs7,
neif7,
nief7,
nife7,
seif7,
nies4,
sien4,
sine4,
3 letter words:
kef10,
kif10,
eik7,
ink7,
ken7,
kin7,
kis7,
nek7,
sik7,
ski7,
efs6,
fen6,
fes6,
fie6,
fin6,
ifs6,
nef6,
sif6,
ens3,
ins3,
nie3,
nis3,
sei3,
sen3,
sin3,
2 letter words:
ki6,
ef5,
fe5,
if5,
en2,
es2,
in2,
is2,
ne2,
si2,