ububn4 tbubn sbub rbubn4 qbubn
5ktbn 4ktb 3ktbn4 2ktbn 1ktb
gusb fusbn4 eusbn dusb cusbn4
r3rbn4 q3rbn p3rb o3rbn4 n3rbn
2crbn 1crb 0crbn4 zcrbn ycrb