The D|AX second SH|EH|K|AX|N|D S|I|K|AX|N|D SH|I|K|AX|N|D S|EH|K|AX|N|JH SH|EH|K|AX|N|JH S|I|K|AX|N|JH SH|I|K|AX|N|JH level L|I|V|AX|L L|EH|B|AX|L L|I|B|AX|L consists K|AX|N|SH|IH|SH|T|SH K|AX|N|S|I|S|T|S K|AX|N|SH|I|SH|T|SH of O|V AH|B O|B problems P|R|U|B|L|AX|M|Z P|R|AA|B|L|AX|M|S P|R|U|B|L|AX|M|S or U|R areas I|R|I|AX|Z EH|R|IH|AX|Z I|R|IH|AX|Z EH|R|I|AX|S I|R|I|AX|S EH|R|IH|AX|S I|R|IH|AX|S of O|V AH|B O|B concern K|AX|N|SH|ER|N K|AX|N|S|I R|N K|AX|N|SH|I R|N under O|N|D|ER AH|N|JH|ER O|N|JH|ER AH|N|D|I R O|N|D|I R AH|N|JH|I R O|N|JH|I R the D|AX four P|AO|R F|U|R P|U|R domains JH|O|M|E + I|N|Z D|U|M|E + I|N|Z JH|U|M|E + I|N|Z D|O|M|A|N|Z JH|O|M|A|N|Z D|U|M|A|N|Z JH|U|M|A|N|Z D|O|M|E + I|N|S JH|O|M|E + I|N|S D|U|M|E + I|N|S JH|U|M|E + I|N|S D|O|M|A|N|S JH|O|M|A|N|S D|U|M|A|N|S JH|U|M|A|N|S