a5rk b5rkm c5rkmr d5rk e5rkm

zvskm 0vskmr 1vsk 2vskm 3vskmr

omtkmr pmtk qmtkm rmtkmr smtk

dduk edukm fdukmr gduk hdukm

23ukm 33ukmr 43uk 53ukm 63ukmr