Pi Beta Phi 5
Kappa Alpha Theta 5
Kappa Kappa Gamma 6
Alpha Phi 5
Delta Gamma 4
Gamma Phi Beta 5
Alpha Chi Omega 6+1=7... duh
Delta Delta Delta 4
Alpha Xi Delta 5
Chi Omega 4-1=3... stole two of our letters, since we were founded first

Sigma Kappa 7
Alpha Omicron Pi 4
Zeta Tau Alpha 5
Alpha Gamma Delta 5
Alpha Delta Pi 6
Delta Zeta 5
Phi Mu 4
Kappa Delta 6
Sigma Sigma Sigma 4
Alpha Sigma Tau 5
Alpha Sigma Alpha 5
Alpha Epsilon Phi 5
Theta Phi Alpha 5
Phi Sigma Sigma 6
Delta Phi Epsilon 5
Sigma Delta Tau 4