5 letter words:
rugby11,
gyrus9,
surgy9,
burgs8,
grubs8,
4 letter words:
gyms10,
bury9,
busy9,
buys9,
ruby9,
sumy9,
bums8,
guys8,
yugs8,
bugs7,
burg7,
grub7,
grum7,
gubs7,
gums7,
mugs7,
smug7,
brus6,
burs6,
rubs6,
rums6,
smur6,
urbs6,
gurs5,
rugs5,
3 letter words:
gym9,
buy8,
bys8,
yum8,
bum7,
guy7,
yug7,
bug6,
gub6,
gum6,
mug6,
yus6,
bru5,
bur5,
bus5,
mus5,
rub5,
rum5,
sub5,
sum5,
urb5,
gur4,
gus4,
rug4,
ugs4,
sur3,
2 letter words:
by7,
my7,
yu5,
mu4,
um4,
gu3,
ug3,
ur2,
us2,