5 letter words:
frank12,
kraft12,
knaur9,
kraut9,
kurta9,
trank9,
trunk9,
furan8,
4 letter words:
funk11,
wank11,
wark11,
wauk11,
fawn10,
waft10,
karn8,
kart8,
knar8,
knur8,
kuna8,
nark8,
raku8,
rank8,
tank8,
turk8,
fart7,
faun7,
frat7,
raft7,
tufa7,
turf7,
want7,
warn7,
wart7,
waur7,
aunt4,
rant4,
runt4,
tarn4,
tuna4,
turn4,
3 letter words:
kaf10,
ark7,
auk7,
kat7,
aft6,
arf6,
awn6,
fan6,
far6,
fat6,
fun6,
fur6,
naw6,
raw6,
taw6,
twa6,
wan6,
war6,
wat6,
ant3,
art3,
nut3,
ran3,
rat3,
run3,
rut3,
tan3,
tar3,
tau3,
tun3,
urn3,
uta3,
2 letter words:
ka6,
aw5,
fa5,
an2,
ar2,
at2,
na2,
nu2,
ta2,
un2,
ut2,