[Mediawiki-i18n] Please view and comment CAPTCHA images in 154 languages

[Federico Leva (Nemo)]

As said, if you find <https://en.wiktionary.org/?oldid=23646739> or 
others offensive, please just edit and add {{context|vulgar}} or 
|obscene or whatever appropriate.

praveenp, 30/03/2014 16:11:
> It appears vowel sign ാ used independently to create these captchas
> which should be avoided.

Yes, all the problems you mention seem just to be consequences of this. 
The entry in question is <https://en.wiktionary.org/wiki/%E0%B4%BE>
Is there some generalisable learning here? Exclude letters? (Wiktionary 
experts should tell us if they're all tagged as such.) Only use "words" 
of at least two unicode characters?

Nemo