6 letter words:
upgrow12,
5 letter words:
croup9,
group8,
4 letter words:
crow9,
prow9,
coup8,
crop8,
grow8,
gorp7,
prog7,
pour6,
roup6,
guru5,
3 letter words:
cow8,
pow8,
wop8,
cop7,
cup7,
wog7,
cog6,
pug6,
row6,
cor5,
cru5,
cur5,
orc5,
pro5,
pur5,
roc5,
upo5,
urp5,
gor4,
rug4,
our3,
2 letter words:
ow5,
wo5,
op4,
up4,
go3,
or2,