6 and 7 is call
67 (sixty-seven)
5 and 4 is call
54 (fifty-four)
1 and 8 is call
18 (eighteen)
1 and 9 is call
19 (nineteen)
8 and 1 is call
81 (eighty-one)
9 and 8 is call
98 (ninety-eight)
7 and 9 is call
79 (seventy-nine)
9 and 0 is call
90 (ninety)
2 and 5 is call
25 Twenty-Five
1 and 2 is call
12 (twelve)
3 and 2 is call
32 (Thirty-two)
5 and 4 is call
54 (Fifty-four)
3 and 3 is call
33 (thirty-three)
4 and 8 is call
48 (forty-eight)
1 and 1 is call
11 (eleven)