What deserts start with the letter p?

There are many deserts in the world including Atacama Desert (Chile and Peru), Blue Desert (Egypt), Cholistan Desert (India and Pakistan), Dasht-e Lut (Iran), Escalante Desert (Utah), Forty Mile Desert (Nevada), Gobi Desert (Mongolia and China), Hami Desert (China), Indus Valley Desert (Pakistan), Judean Desert (Israel), Kharan desert (Pakistan), Libyan Desert (Libya), Mojave Desert (California), Namib Desert (Africa), Owami Desert (Nigeria), Patagonian Desert (Argentina & Chile), Qattara Depression (Egypt), Ryn Desert (Kazakhstan and Russia), Sahara Desert (Northern Africa), Thar Desert (Pakistan and India), Vizcaino Desert (California), White Desert Egypt) and Yuma Desert (Arizona and Mexico). I could not locate any deserts that begin with letters U, X or Z.