Ə & Ŋ: IPA chart or English lost letters. Ö & Ü: Turkish. Č, J̌, Š & Ž: IPA chart, 3 are European except J̌. Ð & Þ: Icelandic or English lost letters.
Credits to my first account. Credits to @MatematixScratch for Š's sound. Credits to @AJJRScratch for N & Z's sound but I decided to put 140 bpm & a bit different. Credits to Argam Numeral Band. Credits to idk for the sounds that I made but that doesn't look like mine.