for (int ctr = 0; ctr <= 9; ctr++) Response.Write(ctr + ' ');
It is SCO.
SD
ctr ctr
An abbreviation is a shortened form of a word followed by a period. The word central does not have an abbreviation but a contraction, which is Ctr.
It's yd
Missouri
Velocity= v.
Ctr. With a small c if it's not the first word in a sentence, or it isn't referring to the name of a particular center.
rel. (religion)
COMPLEMENTS
Either "abbr." or "abbrev."