+  %{ $self->{numbername} } = (0      => 'Zero',
+                              1      => 'One',
+                              2      => 'Two',
+                              3      => 'Three',
+                              4      => 'Four',
+                              5      => 'Five',
+                              6      => 'Six',
+                              7      => 'Seven',
+                              8      => 'Eight',
+                              9      => 'Nine',
+                              10     => 'Ten',
+                              11     => 'Eleven',
+                              12     => 'Twelve',
+                              13     => 'Thirteen',
+                              14     => 'Fourteen',
+                              15     => 'Fifteen',
+                              16     => 'Sixteen',
+                              17     => 'Seventeen',
+                              18     => 'Eighteen',
+                              19     => 'Nineteen',
+                              20     => 'Twenty',
+                              30     => 'Thirty',
+                              40     => 'Forty',
+                              50     => 'Fifty',
+                              60     => 'Sixty',
+                              70     => 'Seventy',
+                              80     => 'Eighty',
+                              90     => 'Ninety',
+                              10**2  => 'Hundred',
+                              10**3  => 'Thousand',
+                              10**6  => 'Million',
+                              10**9  => 'Billion',
+                              10**12 => 'Trillion',);