sufi[7], rufs[7], surf[7], sirr[4], idus[4], surr[4], urdu[4],
fis[6], ruf[6], 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],
