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!

xiōng, xióng, xiǒng, xiòng

first tune

xiōng

elder brother 兄 xiōng

brothers 兄弟 xiōng dì
elder brother 兄 xiōng	younger brother 弟 dì

ferocious; inauspicious; unlucky 凶 xiōng

cruel; fierce; ferocious 兇 xiōng

chest; breast; thorax 胸 xiōng

Chinese characters also pronunced xiōng

second tune

xióng

bear (animal) 熊 xióng

male; masculine heroic; powerful; imposing 雄 xióng

female and male (animal) 雌,雄 cí xióng
female 雌 cí	male 雄 xióng