6 letter words:
plumbs12,
5 letter words:
bumps11,
plumb11,
lumps9,
plums9,
slump9,
4 letter words:
bump10,
bums8,
lump8,
plum8,
pubs8,
sump8,
umps8,
lums6,
plus6,
puls6,
slub6,
slum6,
3 letter words:
bum7,
pub7,
ump7,
bus5,
lum5,
mus5,
plu5,
pul5,
pus5,
sub5,
sum5,
sup5,
ups5,
2 letter words:
mu4,
um4,
up4,
us2,