6 letter words:
feckin15,
unific11,
5 letter words:
knife12,
fence10,
ficin10,
cunei7,
niece7,
4 letter words:
feck13,
fuck13,
fike11,
fink11,
funk11,
keef11,
kief11,
kufi11,
cuke10,
neck10,
nick10,
cuif9,
fice9,
fuci9,
keen8,
kine8,
knee8,
kune8,
neuk8,
nuke8,
enuf7,
feen7,
feni7,
fine7,
fini7,
neif7,
nief7,
nife7,
cine6,
nice6,
unce6,
unci6,
eine4,
3 letter words:
kef10,
kif10,
ick9,
eek7,
eik7,
eke7,
euk7,
ink7,
ken7,
kin7,
kue7,
nek7,
uke7,
fee6,
fen6,
feu6,
fie6,
fin6,
fun6,
nef6,
cee5,
cue5,
ecu5,
ice5,
een3,
ene3,
nee3,
nie3,
uni3,
2 letter words:
ki6,
ef5,
fe5,
if5,
ee2,
en2,
in2,
ne2,
nu2,
un2,