b2t4g a2t4 91t4gd 81t4g 71t4

mbt4 lbt4gd kbt4g jbt4 ibt4gd

xks4gd wks4g vks4 uks4gd tks4g

8tr4g 7tr4 6tr4gd 5tr4g 4tr4

j3q4 i3q4gd h3q4g g3q4 f3q4gd