No. See the Related Link.
The abbreviation for Mile is "Mi"
Cont.
Nr
con.
KHP
No, I believe that's "numbers".The abbreviation of number is no. (from French nombre), the abbreviation of numbers is nos.
HQ is the correct abbreviation.
correct abbreviation for sounds
The correct abbreviation for October is: Oct.
Sun. is the correct abbreviation for Sunday.
abv
There is no abbreviation.
The abbreviation would be I've.
Corr.
The abbreviation for gallbladder is GB
Xmas is the abbreviation of Christmas.
Mthly is the abbreviation for monthly.