Yes, it's a bit surprising that things like α, β, γ can be written, but not other letters. Yet, you can go a long way using unicode math symbols. EDIT: just t

Yes, it's a bit surprising that things like α, β, γ can be written, but not other letters. Yet, you can go a long way using unicode math symbols. EDIT: just to try, it seems that it works 平仮名 ひらがな 漢字 汉字 한자