Possessory

1
Blackacres pieces
Possessory
Future
A
D
E
B
C
2
1 year
I
Tenancy
Reversion in grantor
Death of grantee
II
Reversion in grantor
Life estate
Death of grantee
III
Life estate
Remainder in someone else
Death without issue
IV
Reversion or ? in grantor
?
Death without issue
V
?
Remainder of ? In someone else
Graduates from law school
VI
?
Executor interest in someone else