I feel stupid for saying it, but I don't know how to do that.
_ああいあうえあ.wav=- あF4,799,63,4717,2,1
_ああいあうえあ.wav=a あF4,857,301,4717,300,100
_ああいあうえあ.wav=a いF4,1706,363,4047,300,100
This is just a few oto.ini configurations from the file, hopefully this gives you an idea of what they are. Sorry...