(ʸᵒᵘ ⁿᵉᵉᵈ ˢᵒᵐᵉ ""ˢᵖᵉᶜⁱᵃˡ"" ᵍˡᵃˢˢᵉˢ ᵗᵒ ˢᵉᵉ ᵗʰᵃᵗ ᵗʰᵉʸ ᵃʳᵉ ᵗᵉⁿ)

𝑻𝒉𝒆𝒔𝒆 𝒂𝒓𝒆 𝑻𝒘𝒊𝒄𝒆 𝒈𝒓𝒐𝒖𝒑 𝒍𝒊𝒏𝒆𝒔 (𝒔𝒐𝒎𝒆 𝒐𝒇 𝒕𝒉𝒆𝒎 𝒘𝒆𝒓𝒆 𝒎𝒂𝒅𝒆 𝒃𝒚 𝒎𝒆) 𝒂𝒏𝒅 𝑵𝒂𝒚𝒂 𝒘𝒊𝒍𝒍 𝒃𝒆 𝒑𝒂𝒓𝒕 𝒐𝒇 𝒔𝒐𝒎𝒆 𝒐𝒇 𝒕𝒉𝒆𝒎.

{°if I forgot one or two, please tell me so I can update this list. And also tell me if you notice a member that is missing in one of the lines.}
{°I put the members in order of age.}

[Eonni line]
Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina

[Maknae line]
Dahyun, Naya, Chaeyoung, Tzuyu

[Japanese line]
Momo, Sana, Mina

[Vocal line]
Nayeon, Jeongyeon, Jihyo, Naya, Tzuyu

[Dance line]
Momo, Mina, Naya 

[Rap line]
Momo, Dahyun, Chaeyoung, Naya

[Visual line]
Nayeon, Mina, Naya, Tzuyu
(ᵐʸ ᶠᵃᶜᵉ ᶜˡᵃⁱᵐ ⁱˢ ᵃ ᵛⁱˢᵘᵃˡ ˢᵒ ʸᵉᵃʰ)

[Sexy cuties line]
Nayeon, Sana, Dahyun, Naya
(ⁱ'ᵛᵉ ˢᵉᵉⁿ ᵒⁿ ⁱⁿᵗᵉʳⁿᵉᵗ)

[Tall line]
Jeongyeon, Tzuyu, Naya

[Smol line]
Jihyo, Dahyun, Chaeyoung

[Braincells line]
Jihyo, Mina, Tzuyu
(ᵗᵒᵗᵃˡˡʸ ⁿᵒᵗ ʰᵉʳᵉ)

[November line]
Jeongyeon, Momo, Nahyun

['98 liners] 
Dahyun, Nahyun

(ᵗʰᵉʳᵉ ᵃʳᵉ ᵐᵃⁿʸ ᵒᵗʰᵉʳ ˡⁱⁿᵉʳˢ, ⁱ ᵏⁿᵒʷ. ᵇᵘᵗ ⁱᵗ'ˢ ʰᵃˡᶠ ᵖᵃˢᵗ ᶠⁱᵛᵉ ᵃᵐ ᵃⁿᵈ ⁱ'ᵐ ʷʳⁱᵗⁱⁿᵍ ʷⁱᵗʰ ᵐʸ ᵇˡᵃⁿᵏᵉᵗ ᵒⁿ ᵐʸ ʰᵉᵃᵈ ʰᵒᵖⁱⁿᵍ ᵗʰᵃᵗ ᵐʸ ᵐᵒᵐ ʷᵒⁿ'ᵗ ⁿᵒᵗⁱᶜᵉ ᵐᵉ.)

[Beagle sisters]
Jihyo, Nahyun

[American sisters]
Mina, Nahyun

[Giraffe sisters]
Nahyun, Tzuyu

[No jam bros]
Jeongyeon, Chaeyoung