请问中文拼音有多少种组合?

这个简单去汉语字典上看数了数 共338种
A ɑ ɑi ɑn ɑnɡ ɑo5
--------------------------------------------------------------------------------
B bɑ bɑi bɑn bɑnɡ bɑo bei ben benɡ bi biɑn biɑo bie bin binɡ bo bu 16
--------------------------------------------------------------------------------
C cɑ cɑi cɑn cɑnɡ cɑo ce cei cen cenɡ chɑ chɑi chɑn chɑnɡ chɑo che chen chenɡ chi chonɡ chou chu chuɑ chuɑi chuɑn chuɑnɡ chui chun chuo ci conɡ cou cu cuɑn cui cun cuo 36
--------------------------------------------------------------------------------
D dɑ dɑi dɑn dɑnɡ dɑo de den dei denɡ di diɑ diɑn diɑo die dinɡ diu donɡ dou du duɑn dui dun duo23
--------------------------------------------------------------------------------
E e ei en enɡ er 5
--------------------------------------------------------------------------------
F fɑ fɑn fɑnɡ fei fen fenɡ fo fou fu 9
--------------------------------------------------------------------------------
G ɡɑ ɡɑi ɡɑn ɡɑnɡ ɡɑo ɡe ɡei ɡen ɡenɡ ɡonɡ ɡou ɡu ɡuɑ ɡuɑi ɡuɑn ɡuɑnɡ ɡui ɡun ɡuo 19
--------------------------------------------------------------------------------
H hɑ hɑi hɑn hɑnɡ hɑo he hei hen henɡ honɡ hou hu huɑ huɑi huɑn huɑnɡ hui hun huo 19
--------------------------------------------------------------------------------
J ji jiɑ jiɑn jiɑnɡ jiɑo jie jin jinɡ jionɡ jiu ju juɑn jue jun 14
--------------------------------------------------------------------------------
K kɑ kɑi kɑn kɑnɡ kɑo ke ken kenɡ konɡ kou ku kuɑ kuɑi kuɑn kuɑnɡ kui kun kuo 18
--------------------------------------------------------------------------------
L lɑ lɑi lɑn lɑnɡ lɑo le lei lenɡ li liɑ liɑn liɑnɡ liɑo lie lin linɡ liu lonɡ lou lu lü luɑn lüe lun luo 25
--------------------------------------------------------------------------------
M m mɑ mɑi mɑn mɑnɡ mɑo me mei men menɡ mi miɑn miɑo mie min minɡ miu mo mou mu 20
--------------------------------------------------------------------------------
N nɑ nɑi nɑn nɑnɡ nɑo ne nei nen nenɡ nɡ ni niɑn niɑnɡ niɑo nie nin ninɡ niu nonɡ nou nu nü nuɑn nüe nuo nun 25
--------------------------------------------------------------------------------
O o ou 2
--------------------------------------------------------------------------------
P pɑ pɑi pɑn pɑnɡ pɑo pei pen penɡ pi piɑn piɑo pie pin pinɡ po pou pu 17
--------------------------------------------------------------------------------
Q qi qiɑ qiɑn qiɑnɡ qiɑo qie qin qinɡ qionɡ qiu qu quɑn que qun 14
--------------------------------------------------------------------------------
R rɑn rɑnɡ rɑo re ren renɡ ri ronɡ rou ru ruɑn rui run ruo 14
--------------------------------------------------------------------------------
S sɑ sɑi sɑn sɑnɡ sɑo se sen senɡ shɑ shɑi shɑn shɑnɡ shɑo she shei shen shenɡ shi shou shu shuɑ shuɑi shuɑn shuɑnɡ shui shun shuo si sonɡ sou su suɑn sui sun suo 36
--------------------------------------------------------------------------------
T tɑ tɑi tɑn tɑnɡ tɑo te tenɡ ti tiɑn tiɑo tie tinɡ tonɡ tou tu tuɑn tui tun tuo 18
--------------------------------------------------------------------------------
W wɑ wɑi wɑn wɑnɡ wei wen wenɡ wo wu 9
--------------------------------------------------------------------------------
X xi xiɑ xiɑn xiɑnɡ xiɑo xie xin xinɡ xionɡ xiu xu xuɑn xue xun 14
--------------------------------------------------------------------------------
Y yɑ yɑn yɑnɡ yɑo ye yi yin yinɡ yo yonɡ you yu yuɑn yue yun 15
--------------------------------------------------------------------------------
Z zɑ zɑi zɑn zɑnɡ zɑo ze zei zen zenɡ zhɑ zhɑi zhɑn zhɑnɡ zhɑo zhe zhei zhen zhenɡ zhi zhonɡ zhou zhu zhuɑ zhuɑi zhuɑn zhuɑnɡ zhui zhun zhuo zi zonɡ zou zu zuɑn zui zun zuo 37