qtk42 rtk42h stk4 ttk42 utk42h
fkl42h gkl4 hkl42 ikl42h jkl4
4am4 5am42 6am42h 7am4 8am42
t1m42 u1m42h v1m4 w1m42 x1m42h
isn42h jsn4 ksn42 lsn42h msn4