<Tr> <Td> 9 </Td> <Td> nine </Td> <Td> 19 </Td> <Td> nineteen </Td> <Td> 90 </Td> <Td> ninety (note the "e") </Td> </Tr> <P> If a number is in the range 21 to 99, and the second digit is not zero, one typically writes the number as two words separated by a hyphen . </P> <Table> <Tr> <Td> 21 </Td> <Td> twenty - one </Td> </Tr> <Tr> <Td> 25 </Td> <Td> twenty - five </Td> </Tr> <Tr> <Td> 32 </Td> <Td> thirty - two </Td> </Tr> <Tr> <Td> 58 </Td> <Td> fifty - eight </Td> </Tr> <Tr> <Td> 64 </Td> <Td> sixty - four </Td> </Tr> <Tr> <Td> 79 </Td> <Td> seventy - nine </Td> </Tr> <Tr> <Td> 83 </Td> <Td> eighty - three </Td> </Tr> <Tr> <Td> 99 </Td> <Td> ninety - nine </Td> </Tr> </Table> <Tr> <Td> 21 </Td> <Td> twenty - one </Td> </Tr>

When are numbers greater than ten spelled out as words