Strictly speaking this entry is about communities like villages, towns and cities that do not exist in the world we know. Like fictional countries, most fictional cities resemble either a specific place or present one version of archetypal place.
... + i
long r^i = r + ii or r + uu, depending on the region
l^i = l + r^i
(Sanskrit recognizes vocalic r (errr) and l (ulll), unlike, say, English)
Diphthongs ...