İsim ve soyisimde kaç harf olması gerektiği konusunda belirli bir kural yoktur.
Ancak, Türkçe yazım kurallarına göre, özel isimlerin (kişi adları ve soyadları) ilk harfleri büyük harfle yazılır, geri kalan harfler ise küçük yazılır 13.
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