As far as I can see, it could easily be lost, completely, unless someone will dig it from game files again.
(since so many years passed...)

There are a plenty of item lists for getitem # cheat. So only PK here. And only for S2.

summonunit # (yuuup! it will summon empty PK units too!)

93 axis soldier pk
94 engineer
95 common

317 allies sniper pk
318 scout
319 common, SHKAS mounted
545 PIAT mounted
546 ATR Boys mounted
547 Vickers mounted

483 terrorists dual grenade launchers mounted PK
544 boss version
322 dual gatling mounted
321 boss version
482 dual beam guns mounted
320 boss version
549 uberboss version