Phúc

[fúk͡p̚] is the Southern Vietnamese pronunciation of the name, source is the Wikipedia article of Phan Thị Kim Phúc, who was caught in a napalm bombing attack where she suffered third degree burns and lost two cousins.

Phúc actually pronounces 'Foo' in Vietnamese, which I personally think is okay. Also, the accent makes a rising tone at the end, so it's like the questioning sentence 'Foo?' in English.