2-handed weapons in Baldur's Gate EE 1

I can't find the proficiency for 2-handed weapons when I create my character, it only has 2 handed weapon style.
What proficiency is the 2-handed sword, is it under long sword and what proficiency is halberd and spear?
What proficiency is the 2-handed sword, is it under long sword and what proficiency is halberd and spear?
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Comments
Halberds need halberd proficiency.
Spears need spear proficiency.
All melee two handed weapons also benefit from two handed weapons style.
Note that many classes can't take most of these proficiencies, or use the corresponding weapons. Halberds and two-handed swords are only available to warrior classes (fighter, paladin, ranger, multiclass characters including one of those*). Spears are only available to warrior classes and druids. Staves are available to everyone but monks.
If your class doesn't allow the use of a given weapon, you won't even see the option for its proficiency in character creation or level-up.
*If that multiclass includes a priestly class (cleric or druid), the weapons that class can't use are unusable by the multiclass. So no halberds or two-handed swords or spears for fighter/clerics.
The weapon style proficiencies are available to everyone except pure mages and sorcerers, though only warriors (and a couple kits) can go beyond one dot in those proficiencies.