Poor man Japanese name generator

japanese-name-generator.cs

private static readonly Random random = new Random();

void Main()
{
	GenerateJapaneseName().Dump();
}

private static string GenerateJapaneseName()
{
	const string nameGenerableHiraganaCharacters = "あいうえおかきくけこさしすせそたちつてとなにぬねのはひふへほまみむめもやゆよらりるれろわ";

	int nameLength = random.Next(3, 5);
	var nameBuilder = new StringBuilder(nameLength);

	for (var i = 0; i < nameLength; ++i)
	{
		nameBuilder.Append(nameGenerableHiraganaCharacters[random.Next(0, nameGenerableHiraganaCharacters.Length - 1)]);
	}

	return nameBuilder.ToString();
}