private string GenerateSubstringBasedName(ICreator owner, ISpecies species)
{
IEnumerable <string> substrings = GetSubstrings(species.GetName());
string result = substrings.Random();
// Perform random modifications to the output string.
if (NumberUtilities.GetRandomBoolean())
{
result = result.Substring(0, result.Length - 1); // cut off the last vowel
if (NumberUtilities.GetRandomBoolean())
{
result += new[] { 'a', 'i', 'o', 'u' }
}