Seriously. If there's no 18, it's unplayable!!! Bah. You can get 9th level spells. Stop complaining.
str 9
con 15
dex 15
int 16
wis 8
cha 14
Then go with middle aged & put your level 4 ability point in int for
str 8
con 14
dex 14
int 18
wis 9
cha 15
Perfectly serviceable.