9 letter words:
unbeknown18,
7 letter words:
beknown16,
unknown14,
6 letter words:
unbone8,
5 letter words:
knowe12,
known12,
woken12,
bunko11,
konbu11,
bowne10,
unwon8,
bonne7,
4 letter words:
knew11,
know11,
woke11,
wonk11,
boke10,
bonk10,
bouk10,
buke10,
bunk10,
knob10,
knub10,
keno8,
kune8,
neuk8,
nuke8,
enow7,
nown7,
bone6,
boun6,
bunn6,
ebon6,
unbe6,
neon4,
none4,
noun4,
3 letter words:
ewk10,
kow10,
wok10,
bok9,
keb9,
kob9,
bow8,
web8,
euk7,
ken7,
kon7,
kue7,
nek7,
oke7,
ouk7,
uke7,
new6,
now6,
owe6,
own6,
wen6,
woe6,
won6,
ben5,
bon5,
bun5,
neb5,
nob5,
nub5,
obe5,
eon3,
non3,
nun3,
one3,
2 letter words:
ko6,
ow5,
we5,
wo5,
be4,
bo4,
ob4,
en2,
ne2,
no2,
nu2,
oe2,
on2,
ou2,
un2,