SQL Server Kanji to phonetic alphabet

/*
Chinese Pinyin First letter
*/
Create function fun_getpy (@str nvarchar (4000))
Returns nvarchar (4000)
As
Begin
DECLARE @word nchar (1), @PY nvarchar (4000)
Set @PY = ' '
While Len (@str) >0
Begin
Set @word =left (@str, 1)
--If non-kanji characters, return the original character
Set @[email protected]+ (case when Unicode (@word) between 19968 and 19968+20901
Then (the select top 1 PY from (
Select ' A ' as Py,n ' 驁 ' as Word
UNION ALL SELECT ' B ', N ' book '
UNION ALL SELECT ' C ', N ' wrong '
UNION ALL SELECT ' D ', N ' 鵽 '
UNION ALL SELECT ' E ', N ' 樲 '
UNION ALL SELECT ' F ', N ' 鰒 '
UNION ALL SELECT ' G ', N ' hiker '
UNION ALL SELECT ' H ', N ' inceѕt '
UNION ALL SELECT ' J ', N ' 攈 '
UNION ALL SELECT ' K ', N ' 穒 '
UNION ALL SELECT ' L ', N ' 鱳 '
UNION ALL SELECT ' M ', N ' temperature '
UNION ALL SELECT ' n ', n ' 桛 '
UNION ALL SELECT ' O ', N ' 漚 '
UNION ALL SELECT ' P ', N ' exposure '
UNION ALL SELECT ' Q ', N ' 囕 '
UNION ALL SELECT ' R ', N ' 鶸 '
UNION ALL SELECT ' S ', N ' 蜶 '
UNION ALL SELECT ' T ', N ' 籜 '
UNION ALL SELECT ' W ', N ' clamoring '
UNION ALL SELECT ' X ', N ' 鑂 '
UNION ALL SELECT ' Y ', N ' Wan Leng '
UNION ALL SELECT ' Z ', N '
) T
where Word>[email protected] collate CHINESE_PRC_CS_AS_KS_WS
ORDER BY PY ASC) Else @word end)
Set @str =right (@str, Len (@str)-1)
End
Return @PY
End

declare @KK nvarchar (4000)

Set @KK =' utility bill '

SELECT @KK =dbo.fun_getpy (@KK)

SELECT @KK

SQL Server Kanji to phonetic alphabet