a4ch b4ch2 c4ch2s d4ch e4ch2
zudh2 0udh2s 1udh 2udh2 3udh2s
oleh2s pleh qleh2 rleh2s sleh
dcfh ecfh2 fcfh2s gcfh hcfh2
22fh2 32fh2s 42fh 52fh2 62fh2s