It's basically just the same chords throughout the whole song.
Capo on 2nd fret
D A
Jigeum naega haneun yaegi
Bm
Neol apeuge halji molla
G
Ama nal jukdorok miwohage doel kkeoya
D A
Naega yejeon gatji antadeon ne mal
Bm
Modu teullin mareun aniya
G
Nado byeonhaebeorin naega nat seolgimanhae
D A
Neomu chakhan neonde neon geudaeroinde Oh
Bm
I don't know I don't know
G
Naega wae ireoneunji
D A
Geutorok saranghaenneunde neon yeogi inneunde Oh
Bm
I don't know
G
Ije nal chatgo sipeo
D A
Baby I'm sorry neowa isseodo nan lonely
Bm
Saranghagin naega bujokhanga bwa
G
Ireon motnan nal yongseohae
D A
I'm sorry ige neowa naui story
Bm
Sarangiran naegen gwabunhanga bwa
G
Ne gyeote isseodo
[ Tab from: https://www.guitartabs.cc/tabs/0-9/2ne1/lonely_crd_ver_3.html ]
D A
Baby I'm so lonely lonely lonely lonely lonely
Bm
Baby I'm so lonely lonely lonely lonely lonely
G
Baby I'm so lonely lonely lonely lonely lonely
Baby I'm so lonely lonely lonely lonely lonely
[CL]
Nega jalmotan ge anya
Naega isanghan geoya
Imi orae jeonbuteo nan junbi haenna bwa ibyeoreul
[Bom]
Jeongmal jalhaejugo sipeonneunde
Hapil sarang apeseoneun wae
Ireoke haneobsi jagajigo oerounji
[Dara]
Neomu chakhan neonde neon geudaeroinde Oh
[CL]
I don't know I don't know
Naega wae ireoneunji
[Dara]
Geutorok saranghaenneunde neon yeogi inneunde Oh
[Bom]
I don't know
[Dara]Ije nal chatgo sipeo
[CL]
Baby I'm sorry neowa isseodo nan lonely
Saranghagin naega bujokhanga bwa
Ireon motnan nal yongseohae
[Minzy]
I'm sorry ige neowa naui story
Sarangiran naegen gwabunhanga bwa
Ne gyeote isseodo
Baby I'm so lonely lonely lonely lonely lonely
Baby I'm so lonely lonely lonely lonely lonely
[CL]
Baby I'm so lonely lonely lonely lonely lonely
Baby I'm so lonely lonely lonely lonely lonely
[Minzy]
Cuz I'm just another girl
I bami werowo nan
[Bom]
Deoneun gyeondil su eobseo good bye
[Dara]
Cuz I'm just another girl
[CL]
Neomuna werowo
[Bom]
Jigeum ne gyeote isseodo baby I'm so lonely
[Minzy]
Baby I'm so lonely lonely lonely lonely lonely
Baby I'm so lonely lonely lonely lonely lonely
[CL]
Baby I'm so lonely lonely lonely lonely lonely
Baby I'm so lonely lonely lonely lonely lonely.
More lyrics: http://www.lyricsmode.com/lyrics/0-9/2ne1/#share
