8 letter words:
cubbings15,
7 letter words:
cubbing14,
gubbins12,
subbing12,
6 letter words:
cubing11,
busing9,
5 letter words:
bings8,
bungs8,
cuing8,
gibus8,
incus7,
suing6,
using6,
4 letter words:
bibs8,
bubs8,
cubs8,
sibb8,
bigs7,
bing7,
bugs7,
bung7,
cigs7,
gibs7,
gubs7,
scug7,
bins6,
buns6,
nibs6,
nubs6,
snib6,
snub6,
unci6,
gins5,
gnus5,
guns5,
sign5,
sing5,
snig5,
snug5,
sung5,
unis4,
3 letter words:
bib7,
bub7,
cub7,
big6,
bug6,
cig6,
gib6,
gub6,
bin5,
bis5,
bun5,
bus5,
cis5,
nib5,
nub5,
sib5,
sic5,
sub5,
gin4,
gis4,
gnu4,
gun4,
gus4,
ugs4,
ins3,
nis3,
nus3,
sin3,
sui3,
sun3,
uni3,
uns3,
2 letter words:
bi4,
gi3,
gu3,
ug3,
in2,
is2,
nu2,
si2,
un2,
us2,
