Barbarians: Dwarf the con bonus helps and fast movement negates one of the races weaknesses
Monk: 1/2 Orc, Dwarf, Human. 1/2 Orcs Str bonus realy helps this class out. the way the game is set up monks really need a high str.
Bard: 1/2 elf
Sorceror: gnome, elf 1/2ling
wizard: same
druid: elf...