2. The method of claim 1 , wherein comparing the intended Pinyin inputs to the non-selected Pinyin inputs to identify one or more non-selected Pinyin input and intended Pinyin input pairs comprises identifying non-selected Pinyin inputs and intended inputs differing by one of the vowel and consonant pairs in/ing, an/ang, en/eng, l/n, sh/s, ch/c, zh/z, and h/f.
2. The method of claim 1 , wherein comparing the intended Pinyin inputs to the non-selected Pinyin inputs to identify one or more non-selected Pinyin input and intended Pinyin input pairs comprises identifying non-selected Pinyin inputs and intended inputs differing by one of the vowel and consonant pairs in/ing, an/ang, en/eng, l/n, sh/s, ch/c, zh/z, and h/f. 3. The method of claim 2 , wherein the non-selected Pinyin input and intended Pinyin input pairs comprise a pair of Pinyin inputs that differ by one of the vowel and consonant pairs.