1: race (birth month) 

january: elf 

february: dwarf

march: orc

april: gnome 

may: human 

june: half-elf 

july: half-orc 

august: genasi

september: lizardfolk

october: tabaxi

november: goblin

december: dark elf 

2: class (first letter of first name)

ab: wizard 

cd: warlock

ef: druid

ghi: paladin

jkl: bard

mno: cleric

pqr: barbarian

stu: rogue

vwx: monk

yz: ranger 

3: alignment (first letter of surname)

abc: lawful good

def: neutral evil

ghi: chaotic neutral

jkl: lawful evil

mno: chaotic good

pqr: true neutral

stu: chaotic evil

vwx: neutral good