In order to type ん in Japanese input mode I have to type nnbackspace. On my screen, this sequence of keystrokes produces the following results (which explains why I need to type a backspace at the end):
n
⇨ n
nn
⇨ んn
nnbackspace
⇨ ん
Now, ん is a pretty common character in Japanese, and it is strange/annoying to have to type three keystrokes for it. Is it possible to type ん with fewer keystrokes?