6 letter words:
grouch12,
5 letter words:
cough11,
rough9,
4 letter words:
chog10,
chug10,
chou9,
ouch9,
roch9,
crog7,
hour7,
cour6,
3 letter words:
hoc8,
och8,
hog7,
hug7,
ugh7,
cog6,
rho6,
cor5,
cru5,
cur5,
orc5,
roc5,
ruc5,
gor4,
gur4,
rug4,
our3,
2 letter words:
ch7,
ho5,
oh5,
uh5,
go3,
gu3,
ug3,
or2,
ou2,
ur2,
