[Drolefille]

Pi Beta Phi 4
Kappa Alpha Theta 5
Kappa Kappa Gamma 5
Alpha Phi 4
Delta Gamma 5
Gamma Phi Beta 5
Alpha Chi Omega 5
Delta Delta Delta 5
Alpha Xi Delta 4
Chi Omega 4
Sigma Kappa 6
Alpha Omicron Pi 4
Zeta Tau Alpha 6
Alpha Gamma Delta 5
Alpha Delta Pi 6
Delta Zeta 5
Phi Mu 5
Kappa Delta 6
Sigma Sigma Sigma 5 -1 = 4 Because they should use more than one letter.
Alpha Sigma Tau 5
Alpha Sigma Alpha 6
Alpha Epsilon Phi 5
Theta Phi Alpha 5 +1 = 6 Catholic!
Phi Sigma Sigma 5
Delta Phi Epsilon 5
Sigma Delta Tau 5