Position 1–2 pairs

Every valid stack starts with one perceiving and one judging letter (or the reverse). These16 ordered pairs are the unique ego openings from the 16 stacks.

• Fe–NiOpens as JP · 1 stack
• Fe–SiOpens as JP · 1 stack
• Fi–NeOpens as JP · 1 stack
• Fi–SeOpens as JP · 1 stack
• Ne–FiOpens as PJ · 1 stack
• Ne–TiOpens as PJ · 1 stack
• Ni–FeOpens as PJ · 1 stack
• Ni–TeOpens as PJ · 1 stack
• Se–FiOpens as PJ · 1 stack
• Se–TiOpens as PJ · 1 stack
• Si–FeOpens as PJ · 1 stack
• Si–TeOpens as PJ · 1 stack
• Te–NiOpens as JP · 1 stack
• Te–SiOpens as JP · 1 stack
• Ti–NeOpens as JP · 1 stack
• Ti–SeOpens as JP · 1 stack