01 02 03 04 05 06 07 08 09 ten 11 twelve thirteen 14 15 16 seventeen 18 19 20 21 22 23 24 twenty five 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 forty one 42 43 forty four forty five forty six forty seven forty eight 49 50 51 fifty two