▁and ▁under go er ▁are ▁indicated ▁on ▁the ▁verb , ▁and ▁these ▁aff ix es ▁may ▁differ ▁according ▁to ▁the ▁semantic ▁role ▁of ▁their ▁refer ent . ▁For ▁instance , ▁the ▁suffix ▁- ka /- ga ▁codes ▁second ▁person ▁(" you "), ▁regardless ▁of ▁the ▁semantic ▁role , ▁while ▁the ▁suffix ▁- m ▁codes ▁only ▁( first ▁and ▁second ▁person ) ▁agents , ▁and ▁the ▁suffix ▁- u ▁only ▁codes ▁third ▁person ▁under go er . ▁There ▁are ▁syn cret isms , ▁for ▁instance ▁the ▁already ▁mentioned ▁suffix ▁- m , ▁that ▁stands ▁for ▁both ▁agreement ▁with ▁first ▁and ▁second ▁person ▁pl ural ▁( agent ). ▁Some ▁relations ▁are ▁c oded ▁by ▁a ▁port man te au ▁morph eme , ▁e . g . ▁the ▁first ▁person ▁acting ▁on ▁the ▁second ▁is ▁c oded ▁by ▁'- nen ' ▁( i . e . ▁" I ▁understand / call / k iss ▁etc . ▁Y OU "), ▁supp lement ed ▁by ▁number ▁suffix es ▁if ▁necessary . ▁ ▁Another ▁feature ▁typical ▁for ▁Kir anti ▁ver bal ▁morph ology ▁is ▁the ▁copying ▁of ▁nas als ▁into ▁sy ll able ▁cod as ▁in ▁the ▁suffix ▁string ▁of ▁a ▁finite ▁verb . ▁For ▁instance , ▁the ▁neg ated ▁form ▁of ▁tum - me - ŋ - c - u - ŋ - ci - ŋ a ▁" we ▁( du al , ▁ex cl ) ▁understand ▁them " ▁is ▁n - d um - me - n - c - u - n - ci - ŋ