preclude P|R|I|K|L|U|D P|R|IH|K|L|O|D P|R|I|K|L|O|D P|R|IH|K|L|U|JH P|R|I|K|L|U|JH P|R|IH|K|L|O|JH P|R|I|K|L|O|JH to T|O make M|A|K impossible I|M|P|AA|S|AX|B|AX|L IH|M|P|U|S|AX|B|AX|L I|M|P|U|S|AX|B|AX|L IH|M|P|AA|SH|AX|B|AX|L I|M|P|AA|SH|AX|B|AX|L IH|M|P|U|SH|AX|B|AX|L I|M|P|U|SH|AX|B|AX|L to T|O rule R|O|L out