5 letter words:
kukri13,
kefir12,
4 letter words:
kike12,
kirk12,
kerf11,
kief11,
kufi11,
keir8,
kier8,
fire7,
reif7,
rife7,
3 letter words:
kef10,
kif10,
irk7,
kir7,
kue7,
uke7,
fer6,
feu6,
fie6,
fir6,
fur6,
ref6,
rif6,
ire3,
rei3,
rue3,
2 letter words:
ki6,
ef5,
fe5,
if5,
er2,
re2,