What languages can be taught?
"Common",
"Barbarian",
"Erudian",
"Elvish",
"Dark Elvish",
"Dwarvish",
"Troll",
"Ogre",
"Gnomish",
"Halfling",
"Thieves Cant",
"Old Erudian",
"Elder Elvish",
"Froglok",
"Goblin",
"Gnoll",
"Combine Tongue",
"Elder Teir'Dal",
"Lizardman",
"Orcish",
"Faerie",
"Dragon",
"Elder Dragon",
"Dark Speech",
"Vah Shir"
What about Human Tongue on Firiona Vie?
The game engine still uses Common