Although Apple supports that model only up to OS 9.1, you may be able to install OS 9.2.x on it using a utility named OS 9 Helper, which is obtainable from this site -
OS9Forever.com Home Page
Note that that utility requires the use of the OS 9.2.1 download update; it will not work with an OS 9.2.1 Install CD. If you need to obtain an install CD to get an initial version of OS 9 on the machine, the optimum one to get would be a retail OS 9.1 Install CD.