11-eleven 12-twelve 13-thirteen 14-fourteen 15-fifteen 16sixteen 17-seventeen 18-eighteen 19-nineteen 20-twenty 21-twenty one 22-twenty two 23-twenty three 24-twenty four 25-twenty five 26-twenty six 27-twenty seven 28-twenty eight 29-twenty nine 30-thirty 诶哟喂,累死我了!~