tofu[8], mott[7], duft[7], umtu[6], dutt[4], tutu[4],
oft[7], ufo[7], dom[6], mud[5], mut[5], tod[4], tot[4], duo[4], out[4], tut[3],
um[4], do[3], od[3], du[2], ud[2], tu[2],
