7 letter words:
boxfuls19,
6 letter words:
boxful18,
sobful11,
5 letter words:
flubs10,
fouls8,
sulfo8,
bolus7,
4 letter words:
flux14,
flub9,
fobs9,
fubs9,
flus7,
foul7,
lobs6,
slob6,
slub6,
soul4,
3 letter words:
fox13,
box12,
lox10,
lux10,
sox10,
fob8,
fub8,
flu6,
fou6,
bos5,
bus5,
lob5,
sob5,
sub5,
sol3,
sou3,
2 letter words:
ox9,
xu9,
of5,
bo4,
lo2,
os2,
so2,
us2,