The Taciturn/Narrator functions:
Tt: Delta Te + Alpha Ti; Reasonable Logic
Tn: Beta Ti + Gamma Te; Resolute Logic
Nt: Alpha Ne + Beta Ni; Merry Intuition
Nn: Gamma Ni + Delta Ne; Serious Intuition
Ft: Beta Fe + Gamma Fi; Resolute Ethics
Fn: Delta Fi + Alpha Fe; Reasonable Ethics
St: Gamma Se + Delta Si; Serious Sensing
Sn: Alpha Si + Beta Se; Merry Sensing

Chains of types sharing ego T/N functions:
ESTj Acc-Tt INTj Cre-Nt ENFj Acc-Ft ISFj Cre-St ESTj
INFj Acc-Fn ESFj Cre-Sn ISTj Acc-Tn ENTj Cre-Nn INFj

ISTp Cre-Tt ENTp Acc-Nt INFp Cre-Ft ESFp Acc-St ISTp
ENFp Cre-Fn ISFp Acc-Sn ESTp Cre-Tn INTp Acc-Nn ENFp