写出以下的数字的基数词：

one two three five nine
twelve nineteen twenty thirty thirty-one
thirty-two thirty-three forty forty-five fifty
sixty seventy eighty ninety
再问： 不是，是它们的序数词。输错了。
再答： first second third fifth ninth twelfth nineteenth twentieth thirtieth thirty-first thirty-second thirty-third fortieth forty-fifth fiftieth sixtieth seventieth eightieth ninetieth