A placeholder is for you to voice the characters. If you hear a placeholder, remix and voice that character! Note that you can voice act multiple characters, but you can only voice 5 at most.
I couldn't voice Er that good because I have an English accent. Credits belong to: Me for voicing Ah, Beh, Veh, Geh, Deh, Yeh, Ui, Ikratku, Kah, Gheh, El, Em, En, Oh, Peh, Er, Es, Teh, Ooh, Ef, Khah, Tseh, Cheh, Tviordiznak, and Yah..? @PANKAKE2022 for voicing Zeh. @imanblock_friends2 for voicing Yu. @creativemicah for voicing Shah.