A is for Aurelan, his sister-in-law during the 2250s and 2260s in the Prime timeline.
B is for Blonde technician who James Kirk almost married.
C is for Carol Marcus, with whom he fathered a child, and quite possibly that blonde tech.
D is for Dimorus, where Gary Mitchell once took a native poison dart meant for Kirk and saved his life in the process.
E is for Enterprise, his life-long love.