print "AA AB AD AE AG AH AI AL AM AN AR AS AT AW AX AY\nBA BE BI BO BY\nDE DO\nED EF EH EL EM EN ER ES ET EX\nFA FE\nGO\nHA HE HI HM HO\nID IF IN IS IT\nJO\nKA KI\nLA LI LO\nMA ME MI MM MO MU MY\nNA NE NO NU\nOD OE OF OH OI OM ON OP OR OS OW OX OY\nPA PE PI\nQI\nRE\nSH SI SO\nTA TI TO\nUH UM UN UP US UT\nWE WO\nXI XU\nYA YE YO\nZA"