7 letter words:
unwound11,
5 letter words:
wound9,
unwon8,
dunno6,
4 letter words:
down8,
wudu8,
nown7,
doun5,
udon5,
undo5,
noun4,
3 letter words:
dow7,
wud7,
now6,
own6,
won6,
don4,
dun4,
duo4,
nod4,
oud4,
udo4,
non3,
nun3,
2 letter words:
ow5,
wo5,
do3,
od3,
no2,
nu2,
on2,
ou2,
un2,