5 letter words:
bidon8,
brond8,
inorb7,
robin7,
nidor6,
4 letter words:
bind7,
bird7,
bond7,
bord7,
brod7,
dorb7,
drib7,
biro6,
born6,
brin6,
brio6,
dino5,
nodi5,
rind5,
inro4,
iron4,
noir4,
nori4,
roin4,
3 letter words:
bid6,
bod6,
dib6,
dob6,
bin5,
bio5,
boi5,
bon5,
bor5,
bro5,
nib5,
nob5,
obi5,
orb5,
rib5,
rob5,
din4,
don4,
dor4,
nid4,
nod4,
ord4,
rid4,
rod4,
ion3,
nor3,
rin3,
2 letter words:
bi4,
bo4,
ob4,
di3,
do3,
id3,
od3,
in2,
io2,
no2,
oi2,
on2,
or2,