kj12b lj12b2 mj12 nj12b oj12b2
9912b2 aa22 ba22b ca22b2 da22
y022 z022b 0022b2 1022 2022b
nr32b or32b2 pr32 qr32b rr32b2
ci42b2 di42 ei42b fi42b2 gi42