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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cē, cé, cě, cè

fourth tune

cè

book; booklet 冊 cè

side of a body 側 cè

measure 測 cè

toilet; lavatory 廁 cè

toilet; lavatory; restroom 廁所 cè suǒ
toilet; lavatory 廁 cè	location 所 suǒ

plan; scheme 策 cè

best policy 上策 shàng cè
best 上 shàng	plan; scheme 策 cè

Chinese characters also pronunced cè