Delta Nu Exists

Kappa Omicron Kappa doesn't.

Delta Omicron Gamma doesn't.

Pi Delta Pi doesn't.

Alpha Beta doesn't, nor does Alpha Gamma.

Tri- Pi doesn't.

Rho Rho Rho doesn't.


Delta Tau Chi is exists as a local at both Iona College and and West Liberty State College.

Finally, my favorite made-up fraternity, Lambda Lambda Lambda does not exist.