The following video demonstrates each syllable of the pinyin structure
and the exercise of pinyin/zhuyin with basic Chinese 4-tune pronunciation

Mandarin pinyin tunes
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to link more related multi-character Chinese words!

cūn, cún, cǔn, cùn

first tune

cūn

village 村 cūn

second tune

cún

keep; save; deposit 存 cún

save money; deposit money 存錢 cún qián
save; deposit 存 cún	money 錢 qián

fourth tune

cùn

inch 寸 cùn

Chinese characters also pronunced cùn