harryoooooooooo

I think we should not modify the pronunciation of a single alphabet. However, a combination of alphabet maybe occur a special meaning, so that user want to make it a...

but actually I can type this phrase after I map "ㄅㄉ" to "ㄇ ㄋ". 

I don't see any revalent changes after this PR so I believe the issue is still there. An uncommon linux target would enter neither of the checks below, and as...