4 letter words:
fohn10,
habu9,
fano7,
faun7,
buna6,
3 letter words:
foh9,
bah8,
fab8,
fob8,
fub8,
hob8,
hub8,
fan6,
fon6,
fou6,
fun6,
hao6,
hon6,
hun6,
nah6,
noh6,
oaf6,
abo5,
ban5,
boa5,
bun5,
nab5,
nob5,
nub5,
oba5,
2 letter words:
ah5,
fa5,
ha5,
ho5,
of5,
oh5,
uh5,
ab4,
ba4,
bo4,
an2,
na2,
no2,
nu2,
on2,
un2,