Luómǎzìmǔ
ㄌㄨㄛˊ ㄇㄚˇ ㄗˋ ㄇㄨˇ
Simplified 罗马字母
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 羅馬字母 and it comes back until you know it.