I can't leave well enough alone when it comes to the base races. If a human can breed with an orc or an elf, what's to stop an elf breeding with an orc? (other than mutual disgust, of course) Opinions? I've used the half-humans of the base races as a template to come up with this:
These stats represent the qualities of races that pass on to halfbred children. Choose two races to indicate parentage, and combine the qualities to create your character.
Elf:
+1 dex +1 int -1 con
Low Light Vision
Elf Blood
Elven Immunities: magic sleep effects, +2 save against enchantment
Keen Senses: +2 perception
Weapon Familiarity: Rapier, Longsword, Shortbow, anything ‘Elven’
Languages: Common and Elven.
Orc:
+2 str -1cha
Darkvision: 60 ft
Intimidating: +2 intimidate
Orc Blood
Orc Ferocity 1/day if an orc is brought below 0 hit points but not killed, he can fight one more round as if disabled. After that, he begins dying.
Weapon Familiarity: greataxes, falchions, and anything ‘Orcish’
Languages: Common and Orcish
Human:
+1 any ability
Bonus Feat
Skilled: +1 skill per level
Human Diversity: anything prohibited to your other half-race may still be used
Multitalented: two favored classes
Weapon familiarity: all simple weapons
Language: Common
Halfling:
+1 dex +1 cha -1 str
Small: +1 AC +1 attack -1 Combat Maneuver +4 stealth 20ft speed (does not stack)
Halfling Luck: +1 bonus on saves
Halfling Blood
Sure Footed: +2 acrobatics and Climb
Weapon Familiarity: slings and ‘halfling’
Languages: Common, Halfling
Gnome:
+1 con +1 Cha -1 Str
Small: +1 AC +1 attack -1 Combat Maneuver +4 stealth 20ft speed (does not stack)
Low light vision
Gnome blood
Illusion Resistance: +2 save against illusions
Weapon Familiarity: ‘gnomish’ weapons
Languages: Common, Gnome, Sylvan
Dwarf
+1 Con +1 wis -1 Cha
Darkvision: 60 ft
Hardy: +2 save against poison, spells, spell-like abilities
Dwarf Blood
Stonecunning: +2 perception to notice unusual stonework within 10 ft.
Weapon Familiarity: battleaxes, heavy picks, warhammers, ‘dwarven’
Languages: Common, Dwarven.