So basically, we're going to use the modern English Alphabet as numbers. Since the alphabet starts with 'a', we'll also start with 'a'. Then 'b', 'c', 'd' and so on.
• When someone reaches ' Z ', it will go back to 'a' and another 'a' will be added: ' AA ' -- 'z', 'aa', 'ab', 'ac',... -- just like in numbers: 11,12,13,14...
• Now if we reach ' AZ ', 'a' will be changed to 'b'. and 'z' will go back to 'a' again: ' BA ' -- az, ba, bb, bc,... -- bz, ca, cb, cc,... -- cz, da, db, dc,... -- dz, ea, eb, ec,...
• Then reaching ' ZZ ', both 'z' will go back to 'a' then another 'a' will be added: ' AAA ' -- zz, aaa, aab, aac,... -- aaz, aba, abb, abc,... -- abz, aca, acb, acc,..
• When we reach ' ZZZ ', all 'z' will go back to a then another a will be added: ' A,AAA ' -- make sure to write the comma. -- zzz, a,aaa, a,aab, a,aac,... -- a,aaz, a,aba, a,abb, a,abc,...
• Just treat the letters like numbers, and let's have fun! ♥ -- no double posting, please.