To write the Greek Small Letter Eta With Psili And Ypogegrammeni symbol ᾐ on keyboard using ALT codes; ALT+8080, just hold down the ALT key while typing the alt key code🎃 8080. You have to use the numeric keypad of your keyboard. If you don not have numeric keypad, hold down the Fn and ALT keys while typing the alt 🌊code number.