1. Fire: Growlithe lv12, new fire type lv15
2. Flying: Pidove lv17, new flying type lv20
3. Water: Psyduck lv22, new water type lv22, new water type lv25
4. Bug: Leavanny lv27, Butterfree lv27, new bug type lv30
5. Poison: Koffing lv32, Gengar lv32, new poison type lv35
6. Grass: Tangrowth lv37...