please correct me if im wrong. this chords based on hearing so maybe not match but pretty close
credit kpoplyrics.net
GIRLS GENERATION GOODBYE 4TH MINI ALBUM
F#m Bm A Db F#m
Dwie museun daesareul halji aneun geujeo geureon deuramacheoreom
Bm A Db
Oneul niga naege eotteon mareul haljido neomu algesseo
Bm F#m B E
Chungbunhi yesangdoen jinbuhan seutoriya
D Db F#m
Oh bamsae nanun yaegiwa jeojeun geu nunbit
A D Dbm F#m A
Seotuldeon neoui gobaekdo ijen bukkeureoun ilgicheoreom sumgyeojigo
D A F#m A D
Maeil dulmanui baegya sok nege mutdeon buranhan miraekkaji jeonbu
Dbm Bm G F#m
Annyeong, really really good goodbye
[ Tab from: https://www.guitartabs.cc/tabs/g/girls_generation/goodbye_crd.html ]
A D Bm Dbm F#m
Hanttaeneun naega neo eobsin sum swigido himdeun jul arasseo
A D Bm
Geuttaeneun niga nareul jonjaehage mandeun sinin jul arasseo
F#m A B E
Jogeum aswipjiman minmanghan iyagi
D Db F#m
Oh bamsae nanun yaegiwa jeojeun geu nunbit
A D Dbm F#m A
Seotuldeon neoui gobaekdo ijen bukkeureoun ilgicheoreom sumgyeojigo
D A F#m A D
Maeil dulmanui baegya sok nege mutdeon buranhan miraekkaji jeonbu
Dbm Bm G Bm
Annyeong, really really good goodbye
F#m Dbm F#m
Manyak naega maedallyeo ni mameul dollyeodo
Bm F#m A E
Geu daeume geu daeumen banbokdoel ppunijannni oh yeah
(SAME CHORDS FOR CHORUS)
Sueobsi ipsul kkaemulmyeo beotyeotdeon maeumi ijen jichin geolkka
Anim naega neomu keun gidael haetdeon geolkka moreugesseo
(Gidaehaenneunjido molla na)
Waenji naeireun biga ol geotman gata
Memareun naege ppuryeojwoyo
Annyeong, really really good goodbye
Yeah oh yeah
(same chords till end)
D Dbm Bm G F#m A D
Eoryeotdeon sigan really really good goodbye (goodbye)
Eojeui naneun (really really good goodbye ooh)
Ijeneun annyeong, really really good goodbye
(Oh yeah, oh yeah)
Good good really really good goodbye