twenty-one ,twenty-two , ~-three,~-four, ~-five. ~-six. ~-seven, ~-eight, ~-nine ,thirty , thirty-one
... thirty-nine , forty
twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine thirty
thirty-one thirty-two thirty-three thirty-four thirty-five thirty-six thirty-seven thirty-eight
thirty-nine forty