rt9a10 st9a tt9a1 ut9a10 vt9a
gkab hkab1 ikab10 jkab kkab1
5abb1 6abb10 7abb 8abb1 9abb10
u1bb10 v1bb w1bb1 x1bb10 y1bb
jscb kscb1 lscb10 mscb nscb1