4ft2 3ft2x2 2ft2x 1ft2 0ft2x2

fps2x2 eps2x dps2 cps2x2 bps2x

qyr2x pyr2 oyr2x2 nyr2x myr2

17q2 07q2x2 z7q2x y7q2 x7q2x2

chq2x2 bhq2x ahq2 9gq2x2 8gq2x