Dropdown box display

hi there:
i have 2 columns /fields in the Access DB.
one is Name1 and other is Name 2.

I want to display all the distinct contents of Name and Name 2 in one drop down box?
how do i do that ?how do i have combobox fetch all these values from 2 feilds and display in its drop down???

for ex:
name 1 has:

a
b
c
d
e

and name 2 has all these data:
f
g
h
i


nwo my drop down shud have:
a
b
c
d
e
f
g
h
i