one first
two second
three.third
four.fourth
five.fifth
six.sixth
seven.seventh
eight.eighth
nine.ninth
ten.tenth
eleven.eleventh
twelve.twelfth
thirteen.thirteenth
fourteen.fourteenth
fifteen.fifteenth
sixteen.sixteenth
seventeen.seventeenth
eighteen.eighteenth
nineteen.nineteenth
twenty.twentieth
twenty-one.twenty-first
twenty-two.twenty-second
twenty-three.twenty-third
twenty-four.twenty-fourth
twenty-five.twenty-fifth
twenty-six twenty-sixth
twenty-seven.twenty-seventh
twenty-eight.twenty-eighth
twenty-nine.twenty-ninth
thirty.thirtieth
thirty-one thirty-firs