wb2ch xb2ch4 yb2c zb2ch 0b2ch4
l22ch4 m22c n22ch o22ch4 p22c
at3c bt3ch ct3ch4 dt3c et3ch
zj4ch 0j4ch4 1j4c 2j4ch 3j4ch4
oa5ch4 pa5c qa5ch ra5ch4 sa5c