prau[7], raup[7], purr[7], darr[4], drud[4],
par[6], rap[6], pud[6], pur[6], dad[3], dar[3], rad[3], rar[3], dau[3], rau[3], dur[3],
ad[2], da[2], ar[2], au[2], du[2], ud[2], ur[2],
