Turkish uppercasing (each pair should match): İ İ, I I.

Turkish lowercasing (each pair should match): i i, i i, ı ı.

Azeri uppercasing (each pair should match): İ İ, I I.

Azeri lowercasing (each pair should match): i i, i i, ı ı.

Turkish subtag uppercasing (each pair should match): İ İ, I I.

Turkish subtag lowercasing (each pair should match): i i, i i, ı ı.

Azeri subtag uppercasing (each pair should match): İ İ, I I.

Azeri subtag lowercasing (each pair should match): i i, i i, ı ı.