2w1br
3w1brq
4w1b
5w1br
6w1brq
rn2brq
sn2b
tn2br
un2brq
vn2b
ge3b
he3br
ie3brq
je3b
ke3br
543br
643brq
743b
843br
943brq
uv4brq
vv4b
wv4br
xv4brq
yv4b