xbfr4x
ybfr
zbfr4
0bfr4x
1bfr
m2fr
n2fr4
o2fr4x
p2fr
q2fr4
btgr4
ctgr4x
dtgr
etgr4
ftgr4x
0jhr4x
1jhr
2jhr4
3jhr4x
4jhr
pair
qair4
rair4x
sair
tair4