You have an azerty keyboard ? Is it a real or a virtual keyboard ? With a virtual, often if you stay on one touche, the letter with differents accents appear and you can choose. With a lapstop or a computer: à é è ù are on the touches for circumflex, you do first the accent ( beside P) , you see nothing but after you do the vowel and it appears with the accent It is the same for ï and ë but when you touch the touch of accent you touch shift in the same time