35rr9n 45rr 55rr9 65rr9n 75rr
swsr twsr9 uwsr9n vwsr wwsr9
hntr9 intr9n jntr kntr9 lntr9n
6dur9n 7dur 8dur9 9dur9n aeur
v4ur w4ur9 x4ur9n y4ur z4ur9