2. The method of claim 1 , further comprising: determining, from the entire input sequence of characters, one or more first input candidates in a third writing system, where the third writing system is different from the first writing system and from the second writing system, and where each first input candidate corresponds to a sequence of one or more consecutive second subsequences; and displaying the one or more first input candidates as selectable alternatives to the input sequence of characters.
2. The method of claim 1 , further comprising: determining, from the entire input sequence of characters, one or more first input candidates in a third writing system, where the third writing system is different from the first writing system and from the second writing system, and where each first input candidate corresponds to a sequence of one or more consecutive second subsequences; and displaying the one or more first input candidates as selectable alternatives to the input sequence of characters. 8. The method of claim 2 , where the first writing system is Latin, the different, second writing system is Pinyin, and the third writing system is Hanzi.