7 letter words:
fucking17,
6 letter words:
fungic12,
5 letter words:
fungi9,
cuing8,
4 letter words:
fuck13,
fink11,
funk11,
guck11,
kufi11,
nick10,
cuif9,
fuci9,
gink9,
gunk9,
king9,
unci6,
3 letter words:
kif10,
ick9,
fig7,
fug7,
ink7,
kin7,
cig6,
fin6,
fun6,
gin4,
gnu4,
gun4,
2 letter words:
ki6,
if5,
in2,
nu2,
un2,