flur[8], flut[8], luft[8], rufs[7], surf[7], furt[7], ruft[7], turf[7], stuf[7], lust[5], stur[4], surt[4], urst[4],
ruf[6], lus[4], rus[3], sur[3], urs[3],
ul[3], st[2], ur[2], tu[2],
