excel中如何实现提取汉字的拼音首字母？

excel中如何实现提取汉字的拼音首字母？
汉字中还包含英文字母或数字，英文或数字部分也要返回。
比如：中国航天6号a
返回应为：ZGHT6Ha
非常好，谢谢了
再请教一个问题：如果我想改ZGHT6Ha中一个字母，不想全部重新输入行不？
我现在一点就出公式，没办法只改一个字母
还一个问题就是：其中的符号不想要了，比如说“sa-s”，只要“sas”就行了

后面又提的问题，手工做只需选中ZGHT6Ha这一列复制，再另一列选择性粘贴－＞数值，再改就行了。
下面是一个VBA自定义函数，按ALT＋F11，插入模块，在右面窗口中粘贴下面代码。
若B10内容为 中国航天6号a，则在某空白格中输入：=hztopy(B10) 即可
Function hztopy(hzpy As String) As String
Dim hzstring As String, pystring As String
Dim hzpysum As Integer, hzi As Integer, hzpyhex As Integer
hzstring = Trim(hzpy)
hzpysum = Len(Trim(hzstring))
pystring = ""
For hzi = 1 To hzpysum
hzpyhex = "&H" + Hex(Asc(Mid(hzstring, hzi, 1)))
Select Case hzpyhex
Case &HB0A1 To &HB0C4: pystring = pystring + "A"
Case &HB0C5 To &HB2C0: pystring = pystring + "B"
Case &HB2C1 To &HB4ED: pystring = pystring + "C"
Case &HB4EE To &HB6E9: pystring = pystring + "D"
Case &HB6EA To &HB7A1: pystring = pystring + "E"
Case &HB7A2 To &HB8C0: pystring = pystring + "F"
Case &HB8C1 To &HB9FD: pystring = pystring + "G"
Case &HB9FE To &HBBF6: pystring = pystring + "H"
Case &HBBF7 To &HBFA5: pystring = pystring + "J"
Case &HBFA6 To &HC0AB: pystring = pystring + "K"
Case &HC0AC To &HC2E7: pystring = pystring + "L"
Case &HC2E8 To &HC4C2: pystring = pystring + "M"
Case &HC4C3 To &HC5B5: pystring = pystring + "N"
Case &HC5B6 To &HC5BD: pystring = pystring + "O"
Case &HC5BE To &HC6D9: pystring = pystring + "P"
Case &HC6DA To &HC8BA: pystring = pystring + "Q"
Case &HC8BB To &HC8F5: pystring = pystring + "R"
Case &HC8F6 To &HCBF9: pystring = pystring + "S"
Case &HCBFA To &HCDD9: pystring = pystring + "T"
Case &HEDC5: pystring = pystring + "T"
Case &HCDDA To &HCEF3: pystring = pystring + "W"
Case &HCEF4 To &HD1B8: pystring = pystring + "X"
Case &HD1B9 To &HD4D0: pystring = pystring + "Y"
Case &HD4D1 To &HD7F9: pystring = pystring + "Z"
Case Else
pystring = pystring + Mid(hzstring, hzi, 1)
End Select
Next
hztopy = pystring
End Function