S+
-Shadowblade (Battlerage, Shadowplay, Witchcraft)
-Darkrunner (Battlerage, Shadowplay, Auramancy)
-Primeval (Archery, Shadowplay, Auramancy)
-Blighter (Battlerage, Shadowplay, Defense)

S
-Daggerspell (Sorcery, Witchcraft, Shadowplay)
-Abolisher (Battlerage, Defense, Auramancy)
-Templar (Vitalism, Defense, Auramancy)
-Tomb Warden (Defense, Auramancy, Songcraft)

A
-Trickster (Archery, Shadowplay, Witchcraft)
-Stone Arrow (Archery, Shadowplay, Defense)
-Inquisitor (Battlerage, Shadowplay, Vitalism)
-Cabalist (Sorcery, Defense, Witchcraft)
-Enigmatist (Sorcery, Auramancy, Shadowplay)
-Hierophant (Vitalism, Witchcraft, Auramancy)
-Ranger (Archery, Shadowplay, Vitalism)
-Reaper (Sorcery, Occultism, Shadowplay)
-Cleric (Vitalism, Auramancy, Songcraft)
-Poxbane (Defense, Songcraft, Witchcraft)

B
-Bastion (Archery, Auramancy, Defense)
-Hexblade (Battlerage, Defense, Witchcraft)
-Paladin (Battlerage, Defense, Vitalism)
-Arcanist (Sorcery, Witchcraft, Auramancy)
-Demonologist (Sorcery, Witchcraft, Occultism)
-Skullknight (Occultism, Defense, Auramancy)
-Dark Aegis (Occultism, Defense, Songcraft)
-Druid (Archery, Defense, Vitalism)
-Swiftstone (Sorcery, Defense, Shadowplay)
-Caretaker (Defense, Vitalism, Songcraft)
-Revenant (Auramancy, Occultism, Sorcery)
-Oracle (Archery, Auramancy, Vitalism)
-Athame (Songcraft, Vitalism, Witchcraft)
-Thaumaturge (Sorcery, Defense, Auramancy)
-Battlemage (Sorcery, Defense, Occultism)
-Spellsinger (Sorcery, Shadowplay, Songcraft)

C
-Argent (Battlerage, Auramancy, Vitalism)
-Executioner (Battlerage, Shadowplay, Occultism)
-Outrider (Battlerage, Shadowplay, Archery)
-Hellweaver (Battlerage, Shadowplay, Sorcery)
-Blade Dancer (Battlerage, Shadowplay, Songcraft)
-Phantasm (Auramancy, Occultism, Songcraft)
-Hex Warden (Battlerage, Auramancy, Witchcraft
-Dervish (Battlerage, Witchcraft, Vitalism)
-Doomlord (Battlerage, Defense, Occultism)
-Chaotician (Archery, Defense, Witchcraft)
-Nightblade (Shadowplay, Defense, Auramancy)

D
-Just about everything else. Many of these classes have too many split-stats and too little synergy.