vbr2 ubr21s tbr21 sbr2 rbr21s

6kq21s 5kq21 4kq2 3kq21s 2kq21

hup21 gup2 fup21s eup21 dup2

s3o2 r3o21s q3o21 p3o2 o3o21s

3co21s 2co21 1co2 0co21s zco21