5 letter words:
frank12,
knaur9,
furan8,
4 letter words:
jark15,
jauk15,
junk15,
fank11,
funk11,
jura11,
karn8,
knar8,
knur8,
kuna8,
nark8,
raku8,
rank8,
faun7,
faur7,
frau7,
raun4,
3 letter words:
jak14,
jar10,
jun10,
kaf10,
raj10,
ark7,
auk7,
arf6,
auf6,
fan6,
far6,
fra6,
fun6,
fur6,
nur3,
ran3,
run3,
urn3,
2 letter words:
ja9,
ka6,
fa5,
an2,
ar2,
na2,
nu2,
un2,
ur2,