It is composed of two three digit numbers 0123456789. The sum of these two numbers must be four digits. These 10 numbers must be used completely and cannot be repeated
1:
four hundred and seventy-nine
eight hundred and twenty-six
one thousand three hundred and five
2:
429 876 1305
3:
476 829 1305
4:
426 879 1305
5:
one thousand two hundred and six
eight hundred and forty-seven
three hundred and fifty-nine
6:
357 849 1206
7:
347 859 1206
8:
349 857 1206
There should be a lot more-_ -|||