5 letter words:
known12,
kinin9,
inion5,
4 letter words:
kiwi11,
know11,
wink11,
wonk11,
work11,
ikon8,
kino8,
kirn8,
oink8,
rink8,
wino7,
worn7,
inro4,
iron4,
noir4,
nori4,
3 letter words:
wok10,
ink7,
irk7,
kin7,
kir7,
koi7,
kor7,
now6,
own6,
row6,
win6,
won6,
inn3,
ion3,
nor3,
rin3,
2 letter words:
ki6,
ow5,
wo5,
in2,
no2,
oi2,
on2,
or2,