Patent attributes
At a first step, initial groups are assigned to buttons of an input portion and they are displayed on the display. One initial group is specified in response to the pressed button. At a second step, complex initials and predetermined syllables are assigned to the buttons and they are displayed on the display. One complex initial or one predetermined syllable is specified in response to the pressed button. At a third step, finals are assigned to the buttons and they are displayed on the display. One final is specified in response to the pressed button and a syllable is determined by connecting the specified final with the initial in the specified complex initial. The predetermined syllable specified at the second step or the syllable determined at the third step is determined as an input syllable.
