13dr 23dr7 33dr7g 43dr 53dr7

quer7 ruer7g suer tuer7 uuer7g

flfr7g glfr hlfr7 ilfr7g jlfr

4bgr 5bgr7 6bgr7g 7bgr 8bgr7

t2gr7 u2gr7g v2gr w2gr7 x2gr7g