5 letter words:
abhor10,
4 letter words:
buhr9,
habu9,
haro7,
hoar7,
hora7,
hour7,
baur6,
boar6,
bora6,
bura6,
urao4,
3 letter words:
bah8,
boh8,
hob8,
hub8,
hao6,
hoa6,
rah6,
rho6,
abo5,
arb5,
bar5,
boa5,
bor5,
bra5,
bro5,
bru5,
bur5,
oba5,
orb5,
rob5,
rub5,
urb5,
oar3,
ora3,
our3,
2 letter words:
ah5,
ha5,
ho5,
oh5,
uh5,
ab4,
ba4,
bo4,
ob4,
ar2,
or2,
ou2,
ur2,