4 letter words:
wino7,
woon7,
worn7,
inro4,
iron4,
noir4,
nori4,
nurr4,
ourn4,
roin4,
roon4,
ruin4,
3 letter words:
now6,
own6,
row6,
win6,
won6,
woo6,
ion3,
noo3,
nor3,
nur3,
ono3,
oon3,
oor3,
our3,
rin3,
roo3,
run3,
uni3,
urn3,
2 letter words:
ow5,
wo5,
in2,
io2,
no2,
nu2,
oi2,
on2,
oo2,
or2,
ou2,
un2,
ur2,