ag6i 9f6irc 8f6ir 7f6i 6f6irc
lp5irc kp5ir jp5i ip5irc hp5ir
wy4ir vy4i uy4irc ty4ir sy4i
773i 673irc 573ir 473i 373irc
ih3irc hh3ir gh3i fh3irc eh3ir