button1  あ
button2  か 
button3  さ
button4  た
button5  な
button6  は
button7  ま
button8  や
button9  ら
button10
button11 わ
button12 (記号 。、！？)
button13 [backspace]
button14 [space]
button15 [enter]
button16 [田]
button17 [半角/全角]
button18 [Shift]
button19 [Ctrl]