This file defines PNPC DLG resources files as well as some specific scripts.
The first column is filled by NPCs death variables names.
The first row is filled by the types of resources assigned to NPC.
On the crossing of these two there are names resource files that are used for given NPC.
In BG1 TotS we have:

 2DA V1.0
 0
           POST_DIALOG_FILE JOIN_DIALOG_FILE
KIVAN      KIVANP           KIVANJ
ALORA      ALORAP           ALORAJ
MINSC      MINSCP           MINSCJ
DYNAHEIR   DYNAHP           DYNAHJ
YESLICK    YESLIP           YESLIJ
CORAN      CORANP           CORANJ
AJANTIS    AJANTP           AJANTJ
KHALID     KHALIP           KHALIJ
JAHEIRA    JAHEIP           JAHEIJ
GARRICK    GARRIP           GARRIJ
SAFANA     SAFANP           SAFANJ
FALDORN    FALDOP           FALDOJ
BRANWEN    BRANWP           BRANWJ
QUAYLE     QUAYLP           QUAYLJ
XAN        XANP             XANJ
SKIE       SKIEP            SKIEJ
ELDOTH     ELDOTP           ELDOTJ
XZAR       XZARP            XZARJ
MONTARON   MONTAP           MONTAJ
TIAX       TIAXP            TIAXJ
KAGAIN     KAGAIP           KAGAIJ
SHARTEEL   SHARTP           SHARTJ
EDWIN      EDWINP           EDWINJ
VICONIA    VICONP           VICONJ
IMOEN      IMOENP           IMOEN2