5 letter words:
unjam14,
4 letter words:
jamb15,
juba13,
numb8,
buna6,
mana6,
maun6,
3 letter words:
jab12,
jam12,
jun10,
bam7,
bum7,
aba5,
ama5,
amu5,
baa5,
ban5,
bun5,
man5,
mun5,
nab5,
nam5,
nub5,
ana3,
2 letter words:
ab4,
am4,
ba4,
ma4,
mu4,
um4,
aa2,
an2,
na2,
nu2,
un2,