There are some pairings in the same universe while some are in another universe so here's all (by now)

Group 1:
~Vmin (bear Taehyung (Taeddy lol) x human Jimin)
~Namjin (wolf Namjoon x human Seokjin)
~Yoonseok (human Yoongi x deer Hoseok)

Group 2:
~Namseok (human Namjoon x kitten Hoseok)
~Vkook (human Jungkook x puppy Taehyung)
~Yoonjin (human Yoongi x wallaroo Seokjin)

Group 3:
~Namgi (human Namjoon x fox Yoongi)
~Jinkook (bunny Jungkook x human Seokjin)
~Hopemin (human Hoseok x koala Jimin)