2tdrr
3tdrrr
4tdr
5tdrr
6tdrrr
rkerrr
sker
tkerr
ukerrr
vker
gbfr
hbfrr
ibfrrr
jbfr
kbfrr
51frr
61frrr
71fr
81frr
91frrr
usgrrr
vsgr
wsgrr
xsgrrr
ysgr