Actually Greek Letters, there are quite a few "pseudo-alphabets" that exist in the Unicode standard, and you will notice that I have included some others, such as the "cursive" and "script" alphabets.
Empeleni Izincwadi Zezingcosana, kukhona "ama-pseudo-alphabets" ambalwa akhona ku-Unicode standard, futhi uzokwazi ukuthi ngifake abanye abanye, njenge-alfabethi "yokuthukwa" ne "script."