sānchángliǎngduǎn
ㄙㄢ ㄔㄤˊ ㄌㄧㄤˇ ㄉㄨㄢˇ
Simplified 三长两短
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 三長兩短 and it comes back until you know it.