Name three things that should be separated by commas in a series

mabailey

kbuch

avandenbusch

s.mcnelis

ilopetegi

Maggie.Willis

Ragle

Dave.grzesko

jvoeller

e.wincel

aj.mcfetrich

alycia.rogus

bmarshall

npiercekaebisch

summer.bishop

nsteiner

epruss

aamassa

oke.burcu