2br1d 3br1de 4br1 5br1d 6br1de
r2r1de s2r1 t2r1d u2r1de v2r1
gts1 hts1d its1de jts1 kts1d
5jt1d 6jt1de 7jt1 8jt1d 9jt1de
uau1de vau1 wau1d xau1de yau1