Question about pinyin, please help 1 - Are these all initials? Initials : b - p - d - f - g - k - m - n - l - h - t - r - c - s - z - w - y - j - q - x - zh - ch - sh 2 - Are these all finals? Finals : a - ai - ao - an - ang - e - ei - en - eng - i(after ch, sh, zh) - i(after c, s, z) - i - ia - ie - iu - in - ing - ian - iang - iong - iao - o - ou - ong - u - ua - ui - uo - un - uan - uang - uai - ü - ün - üan - üe - er 3 - Are these all tones? Tones : āáǎà - ēéěè - ōóǒò - īíǐì - ūúǔù - ǖǘǚǜ 4 - is that all what I need to learn in pinyin, or there is other things? please tell me what I need to learn more in pinyin.