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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pēn, pén, pěn, pèn

first tune

pēn

spurt; emit; spray 噴 pēn

second tune

pén

basin; pot; tub 盆 pén

flowerpot 花盆 huā pén
flower 花 huā	pot; tub 盆 pén