zc2na 0c2na7 1c2n 2c2na 3c2na7
o32na7 p32n q32na r32na7 s32n
du3n eu3na fu3na7 gu3n hu3na
2k4na 3k4na7 4k4n 5k4na 6k4na7
rb5na7 sb5n tb5na ub5na7 vb5n