Or, of course, WWW (world-wide web) where each word of the acronym is itself a single syllable. This means the acronym is 6 syllables longer if you were speaking it.
Alternates seem... bad. Instead of 'double u', you could say 'sexta-u', but that could lead to a slap in the face. Possibly the same for sextuple-u, which sounds like someone's going to tackle you then do some strange all over you.
If it wasn't for U and V switching in the middle ages, it'd be like the french language which says 'double v', and then 'sexta-v' could be OK.
Hmm, and yet, though of a different era, we got `cp`, `ls, `mv`, `rm` ....
.'triple double ya site dot gom."
You can say that fast and people get it.