7 letter words:
bucking16,
6 letter words:
cubing11,
5 letter words:
cuing8,
4 letter words:
buck12,
guck11,
bunk10,
nick10,
gink9,
gunk9,
king9,
bung7,
unci6,
3 letter words:
ick9,
cub7,
ink7,
kin7,
big6,
bug6,
cig6,
gib6,
bin5,
bun5,
nib5,
nub5,
gin4,
gnu4,
gun4,
2 letter words:
ki6,
bi4,
in2,
nu2,
un2,