Check my accent on YouTube: Shu Bethune "secret of he vs. hole", 7:00 pm (E).
https://www.youtube.com/watch?v=kLFxeark6OE
hear my 沙家浜:
这个......他字哪................奥秘藏,
see 他字藏 3 top tips or 土字五個頭, 3, 5屬於奇數, matches 奇數9 in /i/
may say 也字， 4個頭，對陰,對 also o6, too.
