pfbr qfbr1 rfbr1b sfbr tfbr1

e6br1 f6br1b g6br h6br1 i6br1b

3wcr1b 4wcr 5wcr1 6wcr1b 7wcr

sndr tndr1 undr1b vndr wndr1

heer1 ieer1b jeer keer1 leer1b