Here's a copy of base unit types from library

"AirElemental","Alchemist","Angel","Antimage","Apprentice","Aquarius","Arachnid","ArchBishop","Archer","Axeman","Banshee","Basilisk","Bat","Beacon","Behemoth","Berserker","Bishop","Bomber","Butterfly","Chastity","Comet","Crusader","Demon","Dove","Dragon","Drake","Dryad","Duelist","EarthElemental","Enchantress","Envy","Fencer","FireElemental","FireMage","Fireball","Fortress","Frog","FrostMage","FrostMephit","Gemini","Ghast","Ghost","GiantSlime","Gluttony","Gnome","GravityMage","Greed","Guardian","Harpy","HauntedArmor","Hoplite","Hostage","Hydromancer","Knight","Legionary","Lich","LifeStone","Lilith","Lust","MageTower","Medusa","Mercenary","Militia","Minotaur","MoonFox","Necromancer","Nexus","Ninja","NullMage","Paladin","Patience","Pawn","Penguin","Phalanx","Phantasm","Phoenix","Pikeman","PoisonMage","Portal","Pride","Prince","Princess","Pyromancer","Queen","Ranger","Reaver","Rook","RoyalGuard","Salamander","Samurai","Shieldsman","Siren","Skeleton","Slime","Snake","SoulFlare","SoulKeeper","Spearman","Spider","StoneMage","Summoner","Swordsman","Sylph","Taurus","Temperance","Templar","ThunderMage","Tiger","Toad","Tombstone","Undine","Valkyrie","Vampire","VoidMage","Warrior","WaterElemental","WindMage","Wisp","Wizard","Wrath"

non-array edition:

AirElemental , Alchemist , Angel , Antimage , Apprentice , Aquarius , Arachnid , ArchBishop , Archer , Axeman , Banshee , Basilisk , Bat , Beacon , Behemoth , Berserker , Bishop , Bomber , Butterfly , Chastity , Comet , Crusader , Demon , Dove , Dragon , Drake , Dryad , Duelist , EarthElemental , Enchantress , Envy , Fencer , FireElemental , FireMage , Fireball , Fortress , Frog , FrostMage , FrostMephit , Gemini , Ghast , Ghost , GiantSlime , Gluttony , Gnome , GravityMage , Greed , Guardian , Harpy , HauntedArmor , Hoplite , Hostage , Hydromancer , Knight , Legionary , Lich , LifeStone , Lilith , Lust , MageTower , Medusa , Mercenary , Militia , Minotaur , MoonFox , Necromancer , Nexus , Ninja , NullMage , Paladin , Patience , Pawn , Penguin , Phalanx , Phantasm , Phoenix , Pikeman , PoisonMage , Portal , Pride , Prince , Princess , Pyromancer , Queen , Ranger , Reaver , Rook , RoyalGuard , Salamander , Samurai , Shieldsman , Siren , Skeleton , Slime , Snake , SoulFlare , SoulKeeper , Spearman , Spider , StoneMage , Summoner , Swordsman , Sylph , Taurus , Temperance , Templar , ThunderMage , Tiger , Toad , Tombstone , Undine , Valkyrie , Vampire , VoidMage , Warrior , WaterElemental , WindMage , Wisp , Wizard , Wrath