riwdlx qiwdl piwd oiwdlx niwdl
2rvdl 1rvd 0rvdlx zrvdl yrvd
d1ud c1udlx b1udl a1ud 90udlx
oaudlx naudl maud laudlx kaudl
zjtdl yjtd xjtdlx wjtdl vjtd