7. An input assistance method executed by a computer comprising: referring to stored plurality of input candidates for an input item, and historical values that indicate an input history of each of the plurality of input candidates for the input item; determining a first display order of the plurality of input candidates based on the historical values to change the first display order of the plurality of input candidates for the input item into a second display order by replacing a first input candidate from among the plurality of input candidates for the input item in a first range from a top percentile priority with a second input candidate in a second range from another percentile priority that is outside of the first range in the top percentile priority; and outputting the plurality of input candidates for the input item to a display according to the second display order.
7. An input assistance method executed by a computer comprising: referring to stored plurality of input candidates for an input item, and historical values that indicate an input history of each of the plurality of input candidates for the input item; determining a first display order of the plurality of input candidates based on the historical values to change the first display order of the plurality of input candidates for the input item into a second display order by replacing a first input candidate from among the plurality of input candidates for the input item in a first range from a top percentile priority with a second input candidate in a second range from another percentile priority that is outside of the first range in the top percentile priority; and outputting the plurality of input candidates for the input item to a display according to the second display order. 8. The input assistance method according to claim 7 , wherein the first display order is changed to the second display order by replacing a first input candidate corresponding to a first priority with a second input candidate corresponding to a second priority that is lower than the first priority.