[Taecyeon]
([Junsu] I know I know I know) Ooh we are 2PM
(I know I know I know) I know I know I know yeah verse 1
[Wooyoung]
Nidwitmoseubi boyeo chagaun moseubeuro gureohke sarajigo (Sarajigo)
Amu mal mothago babogati geunyang nan yeojeonhi namaisseo (Namaisseo)
[Chansung]
(Neon eopneunde) Ireohke neol neol neol neol neol neol bureugo isseo
(Neol tteo nanneunde) Ajikdo nan nan nan nan neoreul geurigo isseo
*chorus*
[Junsu] I know I know I know byeonhan neol algo itjiman aljiman (Neoreul geurigo isseo)
I know I know I know tteonangeol algo itjiman hajiman
[Junho] I know I know I know kkeutingeol algo itjiman ajik nan (Neoreul geurigo isseo)
I know I know I know idaero neol neol bonael su eopseo mothae nan
[Nichkhun]
Gakkeumsshik niga boyeo nae nunapeseon ajikdo (Ajikdo ajikdo neol geuryo)
Ijeoya haneunde da kkeutnan irinde nan geureoji mothagesseo
[Chansung]
(Neon eopneunde) Ireohke neol neol neol neol neol neol bureugo isseo
(Neol tteo nanneunde) Ajikdo nan nan nan nan neoreul geurigo isseo
*chorus*
[Junsu] I know I know I know byeonhan neol algo itjiman aljiman (Neoreul geurigo isseo)
I know I know I know tteonangeol algo itjiman hajiman
[Junho] I know I know I know kkeutingeol algo itjiman ajik nan (Neoreul geurigo isseo)
I know I know I know idaero neol neol bonael su eopseo mothae nan
[Taecyeon]
Hey tteonabeorin neol itji mothae nan tto peongpeongpeong ulgobulgo niga tteonan geu shigan geudaero meomchweoseo isseo
Maeilgati neol geurineunde wae daeche an boineunde eodi inni hey lady nae pumeuro come back to me
Neo eopshin sumdo mot swieo neo tteonanhu shiganeun meomchweo nuneul gamado jameulji mothago gyesok dwicheokida nuntteo
Tteonangeol aneundedo subaekbeon dajimeul haedo andwae ireohke aeweonhajanha idaero neol neol mot bonae nan
*chorus* {Junho-Junsu}
[Junsu] I know I know I know byeonhan neol algo itjiman aljiman (Neoreul geurigo isseo)
I know I know I know tteonangeol algo itjiman hajiman
[Junho] I know I know I know kkeutingeol algo itjiman ajik nan (Neoreul geurigo isseo)
I know I know I know idaero neol neol bonael su eopseo mothae nan