Answer:


Ala Gly
Ala Ser
Thr Ser
Val Thr
Ile Val
Leu Val
(Ile,Leu) (equally hydrophobic for all practical purposes)
Cys Ser
Cys Ala
Asn Asp
Glu Asp
Gln Glu
Gln Asn
Pro Val (reason for sorting is that Pro has no BB N-H)
Phe Tyr