I mean… They fall in pairs…

The E/I orientation of the dominant or auxiliary N/S function is always paired with the opposite E/I orientation of T/F.

ENTJ — Te, Ni, Se, Fi

INTJ — Ni, Te, Fi, Se

INFJ — Ni, Fe, Ti, Se

ENFJ — Fe, Ni, Se, Ti

SJ:

ISFJ — Si, Fe, Ti, Ne

ESFJ — Fe, Si, Ne, Ti

ISTJ — Si, Te, Fi, Ne

ESTJ — Te, Si, Ne, Fi

etc.