7 letter words:
unhuman12,
6 letter words:
numnah11,
5 letter words:
human10,
unman7,
4 letter words:
huma9,
maun6,
namu6,
unau4,
3 letter words:
ham8,
hum8,
han6,
hun6,
nah6,
amu5,
man5,
mna5,
mun5,
nam5,
umu5,
ann3,
nan3,
nun3,
2 letter words:
hm7,
ah5,
ha5,
uh5,
am4,
ma4,
mu4,
um4,
an2,
na2,
nu2,
un2,
