eleven,twelve,thirteen,fourteen,fifteen,sĩxeen,seventeen,eighteen,nineteen,twenty
11 : eleven
12 : twelve
13 : thirteen
14 : fourteen
15 : fifteen
16 : sixteen
17 : seventeen
18 : eighteen
19 : nineteen
20 : twenty
11: eleven
12: twelve
13: thirteen
14: fourteen
15: fifteen
16: sixteeen
17: seventeen
18: eighteen
19: nineteen
20: twenty
11: eleven 16: sixteen kb nha
12: twelve 17: seventeen
13: thirteen 18: eighteen
14: fourteen 19: nineteen
15: fifteen 20: twenty
eleven , twelve , thirteen , fourteen , fifteen , sixteen , seventeen , eighteen , nineteen , twenty.