5 letter words:
kraft12,
kraut9,
kurta9,
4 letter words:
kart8,
raku8,
turk8,
fart7,
frat7,
raft7,
tufa7,
turf7,
3 letter words:
kaf10,
ark7,
auk7,
kat7,
aft6,
arf6,
far6,
fat6,
fur6,
art3,
rat3,
rut3,
tar3,
tau3,
uta3,
2 letter words:
ka6,
fa5,
ar2,
at2,
ta2,
ut2,