CHO
There is only a 2 letter abbreviation of Quebec - QC.
pss
PS3
Proc. is the abbreviation for process.
wyo.
ANG
Oklahoma City's 3-letter abbreviations is OKC.
AL is the standard two letter state abbreviation for Alabama.The official postal abbreviation is AL.AL
EPA
mem
STP
The US Postal Service abbreviation is DE, though Del. is acceptable for use in text.DE is the standard abbreviation for Delaware