9 letter words:
hardboard16,
6 letter words:
harbor11,
aboard9,
abroad9,
bordar9,
darbar9,
arroba8,
5 letter words:
abhor10,
dadah10,
hodad10,
hoard9,
abord8,
aroha8,
arrah8,
bardo8,
board8,
broad8,
dobra8,
dorba8,
adrad7,
arbor7,
aroba7,
barra7,
barro7,
dorad7,
ardor6,
radar6,
4 letter words:
hard8,
odah8,
bard7,
bord7,
brad7,
brod7,
darb7,
doab7,
dorb7,
drab7,
haar7,
haro7,
hoar7,
hora7,
arba6,
boar6,
bora6,
dada6,
dado6,
drad6,
dorr5,
orad5,
road5,
arar4,
orra4,
roar4,
3 letter words:
bah8,
boh8,
hob8,
dah7,
doh7,
had7,
hod7,
aah6,
aha6,
bad6,
bod6,
dab6,
dob6,
hao6,
hoa6,
rah6,
rho6,
aba5,
abo5,
add5,
arb5,
baa5,
bar5,
boa5,
bor5,
bra5,
bro5,
brr5,
dad5,
dod5,
oba5,
odd5,
orb5,
rob5,
ado4,
ard4,
dor4,
oda4,
ord4,
rad4,
rod4,
oar3,
ora3,
2 letter words:
ah5,
ha5,
ho5,
oh5,
ab4,
ba4,
bo4,
ob4,
ad3,
da3,
do3,
od3,
aa2,
ar2,
or2,