6 letter words:
grouch12,
grutch12,
trough10,
5 letter words:
cough11,
couth10,
rotch10,
torch10,
touch10,
ought9,
rough9,
tough9,
routh8,
court7,
grout6,
4 letter words:
chug10,
ouch9,
goth8,
thug8,
hour7,
hurt7,
ruth7,
thou7,
thro7,
thru7,
curt6,
torc6,
gout5,
grot5,
trog5,
trug5,
rout4,
tour4,
3 letter words:
hog7,
hug7,
ugh7,
cog6,
hot6,
hut6,
rho6,
tho6,
cor5,
cot5,
cru5,
cur5,
cut5,
orc5,
roc5,
gor4,
got4,
gut4,
rug4,
tog4,
tug4,
ort3,
our3,
out3,
rot3,
rut3,
tor3,
2 letter words:
ho5,
oh5,
uh5,
go3,
or2,
to2,
ut2,