adcd
bdcdr
cdcdr1
ddcd
edcdr
z3cdr
03cdr1
13cd
23cdr
33cdr1
ouddr1
pudd
quddr
ruddr1
sudd
dled
eledr
fledr1
gled
hledr
2bfdr
3bfdr1
4bfd
5bfdr
6bfdr1