5 letter words:
boyfs13,
forby13,
fubsy13,
surfy11,
bousy10,
brosy10,
bufos10,
buoys10,
forbs10,
fours8,
yours8,
4 letter words:
boyf12,
foys10,
fury10,
boys9,
bufo9,
buoy9,
bury9,
busy9,
buys9,
fobs9,
forb9,
fubs9,
orby9,
ruby9,
sybo9,
yobs9,
four7,
fous7,
fros7,
furs7,
orfs7,
rosy7,
surf7,
ufos7,
your7,
yous7,
bors6,
bros6,
brus6,
burs6,
orbs6,
robs6,
rubs6,
sorb6,
urbs6,
ours4,
sour4,
3 letter words:
foy9,
fry9,
boy8,
buy8,
bys8,
fob8,
fub8,
yob8,
for6,
fou6,
fro6,
fur6,
orf6,
oys6,
soy6,
ufo6,
yos6,
you6,
yus6,
bor5,
bos5,
bro5,
bru5,
bur5,
bus5,
obs5,
orb5,
rob5,
rub5,
sob5,
sub5,
urb5,
ors3,
our3,
ous3,
sou3,
sur3,
2 letter words:
fy8,
by7,
of5,
oy5,
yo5,
yu5,
bo4,
ob4,
or2,
os2,
ou2,
so2,
ur2,
us2,