It is SCO.
SD
It's yd
Missouri
Velocity= v.
rel. (religion)
COMPLEMENTS
Either "abbr." or "abbrev."
IOC IOC
The word agreement is not usually abbreviated. However, it could possibly be written as "ab", "abbrev", or "abb". The most common would probably be "abbrev".
The abbrev. For lake ontario is O.
cm - abbrev. for centimetre