firm[9], sufi[7], rufs[7], surf[7], mirs[6], musi[6], rums[6], iris[4],
fis[6], ruf[6], mir[5], mur[5], rum[5], mus[5], ums[5], sir[3], rus[3], sur[3], urs[3],
im[4], mi[4], um[4], si[2], ui[2], ur[2],
