po4b qo4b4 ro4b47 so4b to4b4
ef5b4 ff5b47 gf5b hf5b4 if5b47
355b47 455b 555b4 655b47 755b
sw6b tw6b4 uw6b47 vw6b ww6b4
hn7b4 in7b47 jn7b kn7b4 ln7b47