4 letter words:
buzz24,
zins13,
bins6,
blin6,
buns6,
libs6,
nibs6,
nubs6,
slub6,
snib6,
snub6,
lins4,
nils4,
3 letter words:
zzz30,
zuz21,
biz14,
zin12,
bin5,
bis5,
bun5,
bus5,
lib5,
nib5,
nub5,
sib5,
sub5,
ins3,
lin3,
lis3,
nil3,
nus3,
sin3,
sun3,
uns3,
2 letter words:
bi4,
in2,
is2,
li2,
nu2,
si2,
un2,
us2,