The challenge
You say a word, you get a link. Whoever opens it tries to match it and sees both curves on top of each other. They need to install nothing.
Pick a word
anh
elder brother; you (to a man a bit older)
bà
grandmother; ma'am
bá
aunt (a parent's elder sister); to embrace
bản
version, copy; mountain village
chỗ
seat, place
biệt
to part with, to leave