bad[5], abi[5], bai[5], bar[5], bau[5], dad[3], dia[3], dar[3], rad[3], air[3], rai[3], dir[3], dau[3], rau[3], dur[3],
ab[4], bi[4], ad[2], da[2], ai[2], ar[2], au[2], du[2], ud[2], ui[2], ur[2],
