Vowel harmony

• a is followed by a or ı, or by u (after b, p, m or v).
• e is followed by e or i.
• ı is followed by ı or a.
• i is followed by e or i.
• o is followed by a or u.
• ö is followed by e or ü.
• u is followed by a or u.
• ü is followed by e or ü.