How do you spell sico?

"Sico" is not a standard English word. It could be a misspelling of a different word or a proper noun.

To help me figure out what you mean, could you provide more context? For example:

* What were you trying to spell? Did you see it somewhere?

* Is it a name, a place, or something else?

With more information, I can help you figure out the correct spelling!