Dear pananacake
Tolkein derived his names for Orcish places from Turkish, Kurdish, Armenian and Georgian place names so worth checking out some of the place names and you might want to put their Armenian equivalent in brackets (as it is the closest I have found to Mordor's script). Here is Armenia but also worth looking up Wikipedia on Georgia, north Iran and Turkey

Armenian provinces include

Shirak, Lori, Armavir, Kotayk, Syunik, Ararat, Tavish, Gegharkunik, Aragatsohn, Vayots Dzor

Towns Cities include
Gyumri (Գյումրի)
Vanadzor (Վանաձոր)
Vagharshapat (Վաղարշապատ)
Etchmiadzin (Էջմիածին)
Abovyan (Աբովյան)
Hrazdan (Հրազդան)
Artashat (Արտաշատ)
Ijevan (Իջևան)
Gavar (Գավառ)
Charentsavan (Չարենցավան)
Metsamor (Մեծամոր)
Ashtarak (Աշտարակ)
Tashir (Տաշիր)
Kajaran (Քաջարան)
Vayk (Վայք)

and at least another 900 once you take in Turkey and Iran

Hope that helps