All the letters in the alphabet are either consonants or vowels. A consonant is a speech sound in which the air is at least partly blocked, and any letter which represents this.
zihmuubiaao d zihmuu fenweir muuyin her ziiyin. ziiyin fayin shir qihliur zhihshaao buhfehn dy shouh zuu`aih. daihbiaao ziiyin d zihmuu jiaohzuoh ziiyin zihmuu.