2x1rc
3x1rca
4x1r
5x1rc
6x1rca
ro2rca
so2r
to2rc
uo2rca
vo2r
gf3r
hf3rc
if3rca
jf3r
kf3rc
553rc
653rca
753r
853rc
953rca
uw4rca
vw4r
ww4rc
xw4rca
yw4r