ce7u7n de7u ee7u7 fe7u7n ge7u
147u 247u7 347u7n 447u 547u7
qv8u7 rv8u7n sv8u tv8u7 uv8u7n
fm9u7n gm9u hm9u7 im9u7n jm9u
4cav 5cav7 6cav7n 7cav 8cav7