To write the Greek Small Letter Eta With Oxia And Ypogegrammeni symbol ῄ on keyboard using ALT codes; ALT+8132, just hold down the ALT key while typing the alt key code 8132. You have to use the numeri🌳c keypad of yo🦹ur keyboard. If you don not have numeric keypad, hold down the Fn and ALT keys while typing the alt code number.