7 letter words:
rhizoid20,
5 letter words:
houri8,
4 letter words:
zori13,
hour7,
dour5,
duro5,
irid5,
3 letter words:
duh7,
hid7,
hod7,
rho6,
dor4,
dui4,
duo4,
oud4,
rid4,
rod4,
udo4,
urd4,
our3,
2 letter words:
hi5,
ho5,
oh5,
uh5,
do3,
id3,
od3,
oi2,
or2,