char: IN SOME CASES THE BOUNDARY CONDITIONS RESUME TO A SIMPLE INTERFACE CONDITION
phn: IH N S AH M K EY S AH Z DH AH B AW N D ER IY K AH N D IH SH AH N Z R AH Z UW M T UW AH S IH M P AH L IH N T ER F EY S K AH N D IH SH AH N