/prog/ Challenge #9002

The task:

Print strings from "a" to "zzzzz" without using any loop or conditional statements. Don't just write all 1000 permutations out by hand. The output should look like this:
a
b
c
...
aa
ab
ac
...
zzzzx
zzzzy
zzzzz

inb4 lipthfags and dead dogs using some obscure functionality of their obscure languages.

ENTERPRISE QUALITY
it's not reaching the end, though...
at least i'm not using preprocessor tricks or some fag language

#include <stdio.h>

char c0 = 0, c1 = -1, c2 = -1, c3 = -1, c4 = -1;

int main()
{
 start:
 printf("%c%c%c%c%c\n",
        (c4 + 'a') & ((c4 >= 0) * 255),
        (c3 + 'a') & ((c3 >= 0) * 255),
        (c2 + 'a') & ((c2 >= 0) * 255),
        (c1 + 'a') & ((c1 >= 0) * 255),
        (c0 + 'a'));
 c0++;
 c1 += c0 > 25;
 c2 += c1 > 25;
 c3 += c2 > 25;
 c4 += c3 > 25;
 c0 %= 26;
 c1 %= 26;
 c2 %= 26;
 c3 %= 26;
 c4 %= 26;
 goto start;
 /* never reached... :-{ */
 printf("DONE!!\n");
 return 0;
}