4 letter words:
back12,
buck12,
guck11,
bauk10,
cauk10,
tack10,
tuck10,
kagu9,
kuta8,
abut6,
buat6,
tabu6,
tuba6,
3 letter words:
kab9,
auk7,
bac7,
cab7,
cub7,
kat7,
tak7,
bag6,
bug6,
cag6,
gab6,
gub6,
act5,
bat5,
but5,
cat5,
cut5,
tab5,
tub5,
gat4,
gau4,
gut4,
tag4,
tug4,
tau3,
uta3,
2 letter words:
ka6,
ab4,
ba4,
ag3,
gu3,
ug3,
at2,
ta2,
ut2,