6 letter words:
fucker15,
5 letter words:
kefir12,
icker11,
curie7,
ureic7,
4 letter words:
feck13,
fuck13,
kerf11,
kief11,
kufi11,
cuke10,
reck10,
rick10,
ruck10,
cuif9,
curf9,
fice9,
fuci9,
keir8,
kier8,
fire7,
reif7,
rife7,
cire6,
cure6,
ecru6,
rice6,
uric6,
3 letter words:
kef10,
kif10,
ick9,
irk7,
kir7,
kue7,
uke7,
fer6,
feu6,
fie6,
fir6,
fur6,
ref6,
rif6,
cru5,
cue5,
cur5,
ecu5,
ice5,
rec5,
ire3,
rei3,
rue3,
2 letter words:
ki6,
ef5,
fe5,
if5,
er2,
re2,