fort[8], torf[8], tofu[8], furt[7], ruft[7], turf[7], roit[5], tiro[5], trio[5], tour[5],
oft[7], ufo[7], fit[6], ruf[6], roi[4], ort[4], rot[4], tor[4], out[4],
ti[2], ui[2], ur[2], tu[2],
