ᴱQ. [pp] became [pt]; [pp] > [pt]
Reference ✧ PE12/23 ✧ phonetics
Order ()
| After | [x] assimilated to preceding stop | |||
| After | voiceless stop assimilated to following voiceless stop except [t] | 
Phonetic Rule Elements
|  | > |  | ✧ PE12/23 (pp > pt); PE12/18 (pp > pt); PE12/22 (pp > pt); PE12/22 (pp > pt) |