4 letter words:
fohn10,
foam9,
fano7,
mano6,
moan6,
noma6,
3 letter words:
foh9,
ham8,
mho8,
ohm8,
fan6,
fon6,
hao6,
hon6,
nah6,
noh6,
oaf6,
man5,
moa5,
mon5,
nam5,
nom5,
2 letter words:
hm7,
ah5,
fa5,
ha5,
ho5,
of5,
oh5,
am4,
ma4,
mo4,
om4,
an2,
na2,
no2,
on2,