6 letter words:
chumps15,
5 letter words:
chump14,
chums12,
humps12,
4 letter words:
chum11,
hump11,
much11,
hums9,
mush9,
push9,
such9,
cups8,
cusp8,
scum8,
scup8,
sump8,
umps8,
3 letter words:
hum8,
hup8,
cum7,
cup7,
ump7,
mus5,
pus5,
sum5,
sup5,
ups5,
2 letter words:
hm7,
sh5,
uh5,
mu4,
um4,
up4,
us2,
