6 letter words:
krubut12,
tugrik11,
5 letter words:
krubi11,
bruit7,
4 letter words:
birk10,
mirk10,
murk10,
brim8,
kuru8,
tiki8,
turk8,
brig7,
burg7,
grim7,
grub7,
grum7,
brit6,
brut6,
miri6,
trim6,
girt5,
grit5,
guru5,
trig5,
trug5,
3 letter words:
bum7,
irk7,
kir7,
kit7,
mib7,
big6,
bug6,
gib6,
gum6,
mig6,
mug6,
bit5,
bur5,
but5,
mir5,
mut5,
rib5,
rim5,
rub5,
rum5,
tub5,
urb5,
git4,
gut4,
rig4,
rug4,
tug4,
rut3,
tui3,
2 letter words:
ki6,
bi4,
mi4,
mu4,
um4,
it2,
ti2,
ut2,