muotoisilla
The word "muotoisilla" is a Finnish grammatical form. It is the plural adessive case of the noun "muoto," which translates to "form," "shape," or "design" in English. Therefore, "muotoisilla" literally means "with forms," "by means of shapes," or "in the shapes of."
In Finnish grammar, the adessive case is used to indicate location (on, at, by) or association (with,