a={}
a.a=1
a.b="B"
a.c=3
a.d="c"
a.e=4
for key,value in pairs(a) do print(key,value) end

Results===
a	1
c	3
b	B
e	4
d	c


results how i thought they should look
a	1
b	B
c	3
d	c
e	4