zhíjiǎosānjiǎoxíng
ㄓˊ ㄐㄧㄠˇ ㄙㄢ ㄐㄧㄠˇ ㄒㄧㄥˊ
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 直角三角形 and it comes back until you know it.