>>> On 05 March 2002 15:03:58 UTC, Tony wrote:
If they're not re-expansions of an existing ack, then SOS is not a word - it is never pronounced as a word, always as a series of three letters ess-oh-ess.
It may not be a word, but it is still in the dictionary and has a meaning, so it's eligible for expansion. And when it is used and not just mentioned in casual conversation, it is 'pronounced' ..._ _ _...
However, I'm not going to expand dotdotdotdashdashdashdotdotdot, since you didn't expand ess-oh-ess.