public void Init(string letter) {
anim = GetComponent<Animator>();
//this is getting called before start for
char asciiLetter = letter.ToCharArray ()[0];
int stateLayerIndex = System.Convert.ToInt32 (asciiLetter) - 97;
anim.SetLayerWeight(0,1f);
anim.SetLayerWeight(stateLayerIndex +1,1f);
}