8 letter words:
unmanful13,
6 letter words:
manful11,
5 letter words:
fanum10,
unman7,
annul5,
4 letter words:
flam9,
faun7,
flan7,
alum6,
luma6,
maul6,
maun6,
luau4,
luna4,
ulan4,
ulna4,
unau4,
3 letter words:
fan6,
flu6,
fun6,
amu5,
lam5,
lum5,
man5,
mun5,
nam5,
nan3,
nun3,
ulu3,
2 letter words:
fa5,
am4,
ma4,
mu4,
um4,
al2,
an2,
la2,
na2,
nu2,
un2,
