1test of possible UTF-8 glyphs usable to notify T9 mode like is done on phones (usually "123", "abc", "Abc", "ABC", and the same with some dots on the left implying speed for dictionary modes). 2It's probably simpler to use icons anyway. 3//Abc 4≡Abc 5≫Abc 6≒Abc 7∴Abc 8∵Abc 9∷Abc 10���Abc 11���Abc 12⺀Abc 13〃Abc 14≈Abc 15=Abc 16#Abc 17"Abc 18'Abc 19*Abc 20µAbc 21.:Abc 22¨Abc 23