You can choose like, Er-bear (airbear) Ern, E, nire, Ery (ariy), Or just mix up the name with their middle name to. So yeah. Hopes this help a little bit.
Erin Gillroy goes by Erin Catherine.
Erin Scabareti goes by Scabs.
Erin Ryder goes by Ryder.
Erin Toughill goes by Steel.
Erin Bayley goes by Finn.
Erin Cummings goes by Cookie.
Tamara Erin goes by Tami.
Erin Dusek goes by Ezza.
Erin Connarn goes by Rinrin.
Erin Pitt goes by Epittster.
Erin Noyd goes by E.
Erin Renton goes by Bernz.