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
Click the framed calligraphic Chinese symbol icons
to link more related multi-character Chinese words!

tūn, tún, tǔn, tùn

first tune

tūn

swallow; devour 吞 tūn

second tune

tún

village station troops 屯 tún

hoard; store up 囤 tún

hips; buttocks 臀 tún

small pig pig-like animal 豚 tún

dolphin 海豚 hǎi tún
sea 海 hǎi	pig-like animal 豚 tún

fourth tune

tùn

fade colors 褪 tùn