7orb 8orb4 9orb4i aprb bprb4

wfsb4 xfsb4i yfsb zfsb4 0fsb4i

l6sb4i m6sb n6sb4 o6sb4i p6sb

axtb bxtb4 cxtb4i dxtb extb4

znub4 0nub4i 1nub 2nub4 3nub4i