5 letter words:
donko10,
kondo10,
dunno6,
4 letter words:
dook9,
douk9,
dunk9,
kond9,
kudo9,
nook8,
doon5,
doun5,
udon5,
undo5,
noon4,
noun4,
3 letter words:
kon7,
ouk7,
don4,
doo4,
dun4,
duo4,
nod4,
oud4,
udo4,
non3,
noo3,
nun3,
ono3,
oon3,
2 letter words:
ko6,
do3,
od3,
no2,
nu2,
on2,
oo2,
ou2,
un2,