233rr
333rrx
433r
533rr
633rrx
ru4rrx
su4r
tu4rr
uu4rrx
vu4r
gl5r
hl5rr
il5rrx
jl5r
kl5rr
5b6rr
6b6rrx
7b6r
8b6rr
9b6rrx
u26rrx
v26r
w26rr
x26rrx
y26r