{}
{}{}{}{}
{}{}{}{}
{}{}{}{}
{one}{twø}{three}{four}
{}{}{}{}
{"}{"}{"}{"}
{ hello }{" world "}{}{}
{}
{}
{,}{,}{,}{,}
{}{}{}
{}
{    }{ hello, "world" }{}{}{}
{}{}{}{}
{a b  c}{a bb  aa}{a	 	 c}{.}
{one}{ two}{"three"}{ "four"}