5 letter words:
bunko11,
fanon8,
aboon7,
unban7,
4 letter words:
funk11,
bank10,
bonk10,
book10,
bunk10,
knob10,
kobo10,
kaon8,
koan8,
kuna8,
nook8,
fano7,
faun7,
boon6,
buna6,
bunn6,
anon4,
nona4,
noon4,
noun4,
3 letter words:
kaf10,
kab9,
kob9,
fab8,
fob8,
fub8,
auk7,
koa7,
oak7,
oka7,
fan6,
fon6,
fou6,
fun6,
oaf6,
abo5,
ban5,
boa5,
boo5,
bun5,
nab5,
nob5,
nub5,
oba5,
nan3,
noo3,
nun3,
ono3,
2 letter words:
ka6,
fa5,
of5,
ab4,
ba4,
bo4,
an2,
na2,
no2,
nu2,
on2,
un2,