10 letter words:
hirudinoid15,
7 letter words:
hirudin11,
6 letter words:
hoddin11,
diuron7,
durion7,
5 letter words:
hound9,
houri8,
rhino8,
droid7,
druid7,
iodid7,
undid7,
indri6,
iodin6,
nidor6,
round6,
unrid6,
4 letter words:
hind8,
hond8,
hioi7,
hori7,
horn7,
hour7,
dido6,
rudd6,
dino5,
doun5,
dour5,
durn5,
duro5,
irid5,
nidi5,
nodi5,
nurd5,
rind5,
rund5,
udon5,
undo5,
inro4,
iron4,
noir4,
nori4,
ourn4,
roin4,
ruin4,
3 letter words:
doh7,
duh7,
hid7,
hod7,
hin6,
hoi6,
hon6,
hui6,
hun6,
noh6,
rho6,
did5,
dod5,
dud5,
odd5,
din4,
don4,
dor4,
dui4,
dun4,
duo4,
nid4,
nod4,
ord4,
oud4,
rid4,
rod4,
rud4,
udo4,
urd4,
ion3,
nor3,
nur3,
our3,
rin3,
run3,
uni3,
urn3,
2 letter words:
hi5,
ho5,
oh5,
uh5,
di3,
do3,
id3,
od3,
in2,
io2,
no2,
nu2,
oi2,
on2,
or2,
ou2,
un2,
ur2,
