girr[5], urig[5], gurr[5], grus[5], sirr[4], idus[4], surr[4],
gis[4], gur[4], dir[3], irr[3], dis[3], sir[3], dur[3], sud[3], uds[3], rus[3], sur[3], urs[3],
si[2], du[2], ud[2], ui[2], ur[2],
