Blues scales and licks are all over the E9th. Here are a few positions in A to get you started:
F#______8__________________________________________________
D#_________________________________________________________
G#___8_____________________________________________________
E _________8_______________________________________________
B _____________8##__8______________________________________
G#_____________________8__7__6_____________________________
F#______________________________6__________________________
E _________________________________5_______________________
D ____________________________________5____________________
B _______________________________________5_________________
A7 blues scale descending
F#__________________________6______________________________
D#___________________5b____________________________________
G#_____________________________6__7__8_____________________
E _______________________5_________________________________
B __________3__4__5________________________________________
G#______3#_________________________________________________
F#___3_____________________________________________________
E _________________________________________________________
D _________________________________________________________
B _________________________________________________________
A7 blues scale ascending